Skip to contents

Computes forecasts from a fitted multivariate Threshold Autoregressive (TAR) model.

Usage

# S3 method for class 'mtar'
predict(
  object,
  ...,
  newdata,
  n.ahead = NULL,
  row.names,
  credible = 0.95,
  out.of.sample = FALSE,
  rolling = NULL
)

Arguments

object

An object of class mtar obtained from a call to mtar().

...

Additional arguments that may affect the prediction method.

newdata

An optional data.frame containing future values of the threshold series (if included in the fitted model), the exogenous series (if included in the fitted model), and, when out.of.sample = TRUE, the realized values of the output series.

n.ahead

A positive integer specifying the number of steps ahead to forecast.

row.names

An optional variable in newdata specifying labels for the time

credible

An optional numeric value in \((0,1)\) specifying the level of the required credible intervals. By default, credible is set to 0.95.

out.of.sample

An optional logical indicator. If TRUE then the log-score, Energy-Score (ES), Absolute Error (AE), Absolute Percentage Error (APE), Squared Error (SE), are computed as measures of predictive accuracy. In this case, newdata must include the observed values of the output series.

rolling

An optional positive integer specifying the rolling-window size used for forecasting with fixed parameters. By default, rolling = NULL, indicating that rolling-window forecasting is not performed.

References

Nieto, F.H. (2005) Modeling Bivariate Threshold Autoregressive Processes in the Presence of Missing Data. Communications in Statistics - Theory and Methods, 34, 905-930.

Romero, L.V. and Calderon, S.A. (2021) Bayesian estimation of a multivariate TAR model when the noise process follows a Student-t distribution. Communications in Statistics - Theory and Methods, 50, 2508-2530.

Calderon, S.A. and Nieto, F.H. (2017) Bayesian analysis of multivariate threshold autoregressive models with missing data. Communications in Statistics - Theory and Methods, 46, 296-318.

Karlsson, S. (2013) Chapter 15-Forecasting with Bayesian Vector Autoregression. In Elliott, G. and Timmermann, A. Handbook of Economic Forecasting, Volume 2, 791–89, Elsevier.

Vanegas, L.H. and Calderón, S.A. and Rondón, L.M. (2025) Bayesian estimation of a multivariate tar model when the noise process distribution belongs to the class of gaussian variance mixtures. International Journal of Forecasting.

Examples

# \donttest{
###### Example 1: Returns of the closing prices of three financial indexes
data(returns)
fit1 <- mtar(~ COLCAP + BOVESPA | SP500, data=returns, row.names=Date,
             subset={Date<="2015-12-07"}, dist="Student-t",
             ars=ars(nregim=3,p=c(1,1,2)), n.burnin=100, n.sim=200,
             n.thin=2)
p1 <- predict(fit1, newdata=subset(returns,Date>"2015-12-07"), n.ahead=75,
              credible=0.8, out.of.sample=TRUE)
with(p1,summary)
#>      COLCAP.Mean COLCAP.Lower COLCAP.Upper  BOVESPA.Mean BOVESPA.Lower
#> 1  -7.589411e-03 -0.018714818 0.0031440465 -9.714299e-03 -0.0246243674
#> 2  -7.837729e-04 -0.008177396 0.0090916414 -1.715733e-05 -0.0119996635
#> 3  -3.496193e-03 -0.018603009 0.0062566602 -8.408984e-03 -0.0242862765
#> 4  -1.496247e-03 -0.010383864 0.0074713539  1.011381e-03 -0.0156045649
#> 5   6.115571e-03 -0.003394287 0.0164650908  1.089255e-02 -0.0036374408
#> 6   5.255667e-03 -0.003688259 0.0164235197  1.333250e-02 -0.0019368649
#> 7  -1.524151e-03 -0.015262946 0.0098409205 -1.111201e-02 -0.0263925022
#> 8  -5.443799e-03 -0.015502469 0.0098247941 -1.083407e-02 -0.0262977418
#> 9   4.454151e-03 -0.007183341 0.0144940520  1.106011e-02 -0.0044481425
#> 10  5.509470e-03 -0.003473936 0.0169084373  9.666824e-03 -0.0105464427
#> 11  4.453158e-03 -0.003576756 0.0157942624  9.877290e-03 -0.0132126557
#> 12  7.731380e-04 -0.008955003 0.0088818260 -2.088271e-03 -0.0158261525
#> 13 -5.303413e-04 -0.010948600 0.0083024578 -1.863078e-03 -0.0133692533
#> 14  5.227813e-03 -0.006522643 0.0139293776  1.161567e-02 -0.0043627214
#> 15 -1.850578e-03 -0.017698890 0.0070588634 -1.054374e-02 -0.0300970874
#> 16 -6.878931e-03 -0.017782953 0.0039794540 -9.413944e-03 -0.0252370929
#> 17 -5.487508e-04 -0.008524473 0.0089718434 -2.018857e-04 -0.0130407624
#> 18 -6.204858e-03 -0.018610300 0.0052723761 -1.146236e-02 -0.0272300948
#> 19 -6.963238e-03 -0.017459872 0.0033173017 -1.003449e-02 -0.0261315888
#> 20 -8.047500e-03 -0.023909394 0.0001883247 -1.201699e-02 -0.0302815667
#> 21  3.617336e-03 -0.008548523 0.0151775718  1.328195e-02 -0.0009473293
#> 22 -3.408104e-03 -0.018126415 0.0087494589 -1.004037e-02 -0.0272856229
#> 23  2.966233e-03 -0.006230707 0.0141385150  1.081141e-02 -0.0044545604
#> 24 -3.296270e-03 -0.015445600 0.0084395149 -9.813703e-03 -0.0253324787
#> 25 -1.221231e-03 -0.008125142 0.0099599784 -7.164014e-04 -0.0129817165
#> 26  2.685131e-04 -0.007429735 0.0080621392 -5.502987e-04 -0.0180974683
#> 27 -6.222609e-03 -0.018583191 0.0062390775 -1.110656e-02 -0.0262174920
#> 28 -1.367421e-03 -0.010339448 0.0080052008  3.505790e-04 -0.0123300919
#> 29  5.151484e-03 -0.005117672 0.0174979788  1.237984e-02 -0.0080019926
#> 30 -1.966182e-03 -0.015718866 0.0096707092 -8.065291e-03 -0.0235426631
#> 31  3.619240e-03 -0.004535258 0.0163055615  1.153202e-02 -0.0026330872
#> 32 -3.406885e-03 -0.015966110 0.0097693457 -1.106600e-02 -0.0249066242
#> 33 -1.552691e-03 -0.009276484 0.0074110637 -4.291012e-04 -0.0130387355
#> 34  5.219249e-03 -0.004584252 0.0174338137  1.174510e-02 -0.0050316971
#> 35  2.465024e-03 -0.005598513 0.0119004557  8.945811e-05 -0.0123396981
#> 36 -4.032289e-03 -0.015742612 0.0079948801 -1.008536e-02 -0.0326346292
#> 37 -1.354671e-03 -0.010383651 0.0075793439 -3.198675e-04 -0.0115646984
#> 38  7.872993e-04 -0.008389906 0.0098531627 -9.391111e-04 -0.0147825651
#> 39 -4.941881e-03 -0.015056908 0.0093675016 -1.139374e-02 -0.0331709271
#> 40 -6.066334e-03 -0.022395179 0.0037930935 -1.158034e-02 -0.0269032119
#> 41 -1.765779e-03 -0.011206665 0.0096596557  6.618504e-04 -0.0128943155
#> 42 -7.713759e-04 -0.008452473 0.0093162475 -5.281688e-04 -0.0118786835
#> 43 -4.469495e-03 -0.016322007 0.0082209811 -1.056502e-02 -0.0245538855
#> 44  3.091669e-03 -0.006400154 0.0143437351  1.096379e-02 -0.0068487551
#> 45  1.416915e-03 -0.006506057 0.0099883117 -5.409138e-04 -0.0143438706
#> 46  2.907097e-04 -0.007324106 0.0092934332  9.300761e-05 -0.0120040930
#> 47  5.400560e-03 -0.004371520 0.0165656402  1.109871e-02 -0.0034909614
#> 48  1.069844e-04 -0.009143645 0.0090997550 -1.306099e-03 -0.0131302592
#> 49  1.454454e-04 -0.007892689 0.0085800078 -6.328246e-04 -0.0105999297
#> 50  4.806222e-03 -0.006765357 0.0130503799  1.121410e-02 -0.0025135048
#> 51 -3.712897e-03 -0.015903942 0.0095794268 -1.181790e-02 -0.0305990186
#> 52  6.037475e-04 -0.006863622 0.0117098134  6.958025e-04 -0.0138546224
#> 53  5.800845e-03 -0.005299115 0.0167825429  1.150761e-02 -0.0023683829
#> 54  1.560347e-03 -0.006248804 0.0117977117  2.250480e-03 -0.0114724718
#> 55 -4.163585e-03 -0.017155080 0.0075728318 -1.073118e-02 -0.0302818483
#> 56  4.721667e-03 -0.005977784 0.0173891486  1.101385e-02 -0.0019124699
#> 57  1.709322e-03 -0.005889132 0.0119495097  8.920746e-05 -0.0106736913
#> 58  9.746160e-04 -0.008984865 0.0072646621 -1.372613e-04 -0.0118865873
#> 59 -1.781916e-04 -0.010615824 0.0074447835 -3.901340e-05 -0.0133612240
#> 60  6.678902e-05 -0.008761431 0.0085477156 -1.277754e-03 -0.0151986538
#> 61 -4.841937e-03 -0.017410557 0.0056675671 -1.157421e-02 -0.0270426419
#> 62  2.941957e-05 -0.008471371 0.0081122626  1.264995e-03 -0.0145358445
#> 63  1.149815e-04 -0.006709209 0.0104192958  4.721448e-04 -0.0153188099
#> 64  4.073129e-03 -0.007307608 0.0130011518  1.085270e-02 -0.0075142759
#> 65  1.147408e-03 -0.008740510 0.0097168562 -8.856616e-05 -0.0124021493
#> 66 -1.001838e-03 -0.009059477 0.0098878220 -3.526684e-04 -0.0140078387
#> 67  6.723539e-04 -0.012184918 0.0067666617  7.586188e-04 -0.0136334111
#> 68  3.569192e-04 -0.008135038 0.0105372298  5.748017e-04 -0.0113707583
#> 69  1.005147e-03 -0.008737079 0.0122866965  5.294160e-05 -0.0107879717
#> 70  7.981015e-04 -0.008908788 0.0079584070 -1.502983e-04 -0.0163507689
#> 71 -5.197125e-03 -0.016167787 0.0067391074 -1.001373e-02 -0.0236285867
#> 72 -1.319954e-03 -0.012061057 0.0072890648 -1.203162e-03 -0.0121762221
#> 73  5.000077e-03 -0.003319000 0.0189186901  1.294360e-02 -0.0041692429
#> 74  9.746264e-04 -0.009422390 0.0093764627 -6.916854e-04 -0.0169736627
#> 75 -3.213426e-04 -0.007857709 0.0093347903 -2.514891e-03 -0.0178639544
#>    BOVESPA.Upper
#> 1   0.0069112882
#> 2   0.0127247655
#> 3   0.0085813528
#> 4   0.0135006118
#> 5   0.0261883947
#> 6   0.0327027453
#> 7   0.0061854090
#> 8   0.0057430959
#> 9   0.0286613493
#> 10  0.0253318967
#> 11  0.0213992447
#> 12  0.0105579879
#> 13  0.0133864689
#> 14  0.0318381876
#> 15  0.0051635699
#> 16  0.0061503690
#> 17  0.0149891341
#> 18  0.0068627458
#> 19  0.0047469395
#> 20  0.0032650879
#> 21  0.0315701713
#> 22  0.0086470544
#> 23  0.0292742476
#> 24  0.0062790790
#> 25  0.0141293800
#> 26  0.0104565775
#> 27  0.0075945742
#> 28  0.0138482948
#> 29  0.0260162279
#> 30  0.0100497732
#> 31  0.0253081838
#> 32  0.0078838688
#> 33  0.0128200159
#> 34  0.0265797171
#> 35  0.0113868199
#> 36  0.0001382463
#> 37  0.0144892913
#> 38  0.0130919426
#> 39  0.0031965361
#> 40  0.0056136980
#> 41  0.0135713182
#> 42  0.0122815306
#> 43  0.0052025579
#> 44  0.0306654355
#> 45  0.0097448696
#> 46  0.0137797940
#> 47  0.0287113588
#> 48  0.0150071368
#> 49  0.0134553808
#> 50  0.0296804114
#> 51  0.0027777879
#> 52  0.0129028476
#> 53  0.0279155694
#> 54  0.0147676329
#> 55  0.0082618697
#> 56  0.0305006054
#> 57  0.0127641001
#> 58  0.0140579092
#> 59  0.0098344777
#> 60  0.0093437064
#> 61  0.0048446013
#> 62  0.0128008714
#> 63  0.0119252103
#> 64  0.0246314918
#> 65  0.0150731266
#> 66  0.0141652645
#> 67  0.0157094404
#> 68  0.0144187180
#> 69  0.0158370433
#> 70  0.0131338738
#> 71  0.0068578224
#> 72  0.0122402815
#> 73  0.0277608532
#> 74  0.0118053529
#> 75  0.0092429002
with(p1,cbind(LS,ES,APE,CR))
#>     Log.Score Energy.Score COLCAP.APE BOVESPA.APE COLCAP.CR BOVESPA.CR
#> 1  -4.0920422  0.030983028  174.45838  150.104833         0          0
#> 2  -3.8778849  0.019039855  104.65317   99.835123         0          1
#> 3  -7.3717426  0.009651395   27.27730    3.850268         1          1
#> 4  -6.9240341  0.012010943  159.32618  108.831168         1          1
#> 5  -3.9207816  0.019343196   75.34518  289.975915         0          1
#> 6  -3.8821196  0.021687393   79.45890  317.922765         0          1
#> 7  -5.9173746  0.018099816  115.63123  304.201550         1          1
#> 8  -5.1999188  0.019080544  621.88571   64.244684         1          0
#> 9  -4.4669319  0.027305140  158.00737  167.785160         0          0
#> 10 -6.7645853  0.011430950  345.10625   55.398570         1          1
#> 11 -3.7754866  0.022798574   84.21192   20.784539         0          1
#> 12 -7.2484786  0.008717577  114.32337         Inf         1          1
#> 13 -7.7401074  0.008021218   76.00997         Inf         1          1
#> 14 -6.3321618  0.015976088  251.46619  560.008053         1          1
#> 15 -6.9391821  0.011513611  139.01051   50.873768         1          1
#> 16 -5.4783014  0.021103754   67.27727   66.716001         0          0
#> 17 -6.0193372  0.013470242  104.91257  103.067319         0          1
#> 18 -7.0192951  0.010467790   46.11795   25.328453         1          1
#> 19 -5.7044730  0.019713564   67.01440   61.634825         0          0
#> 20 -7.0002080  0.012150659   19.68304  492.088199         1          1
#> 21 -2.4384916  0.041798593  120.68516  148.442407         0          0
#> 22 -4.5146269  0.019809977  121.30960   30.826330         0          1
#> 23 -3.2229546  0.024421587   89.67721   23.688315         0          1
#> 24 -5.0053585  0.021724346   85.51268   58.854540         0          1
#> 25 -3.3847589  0.024425654   94.57763   95.662960         0          0
#> 26 -4.1055329  0.019004019   98.64630  117.462636         0          1
#> 27 -5.9782171  0.015209058  176.13282    2.153685         0          1
#> 28 -5.3831668  0.014679888  109.88012   81.557634         0          1
#> 29 -4.4613843  0.018271396   78.14695   49.270446         0          1
#> 30 -6.0082729  0.013367442   81.68958         Inf         1          1
#> 31 -6.7648509  0.012297441   41.24717         Inf         1          1
#> 32 -4.0468002  0.031681769  155.17745  147.763806         1          0
#> 33 -6.2550228  0.013442819  115.10239  106.509236         0          1
#> 34 -4.1355872  0.030144004   37.09874   73.867234         1          0
#> 35 -7.6160963  0.007512946   48.42702   97.792151         1          1
#> 36 -3.2686599  0.036710845   68.35586   79.779470         1          0
#> 37 -3.9813936  0.026292696  110.67360  101.259633         0          0
#> 38 -3.6734260  0.029006195   88.44231  103.062183         1          0
#> 39 -6.6311021  0.012716019  192.32465  101.960667         1          1
#> 40 -6.8910674  0.013453443  240.06921         Inf         1          1
#> 41 -7.5767423  0.008925092  153.82647         Inf         1          1
#> 42 -7.7559973  0.007624641  126.26752         Inf         1          1
#> 43 -5.9080226  0.015576250  180.68069   60.221845         1          0
#> 44 -7.2363148  0.010536022   64.62324   11.433046         1          1
#> 45 -7.4280010  0.008833612  101.61118  107.586599         1          1
#> 46 -4.4178948  0.020682207  103.53821   99.559135         0          0
#> 47 -3.9081412  0.021149675   80.30505   32.918491         0          1
#> 48 -7.6970493  0.008172726   94.82022   64.570872         1          1
#> 49 -7.8423579  0.007292363  118.71715  139.940507         1          1
#> 50 -4.3290176  0.026400278  312.41721   71.900275         1          0
#> 51 -7.2004536  0.010727048   31.87459   29.022587         1          1
#> 52 -7.0751514  0.011099407  150.47308  106.745061         1          1
#> 53 -5.9097261  0.015775973   40.09133  345.683054         1          0
#> 54 -7.2275287  0.010603432   70.37956  131.862064         1          1
#> 55 -3.0494647  0.035501834  106.59089  137.705104         1          0
#> 56 -6.1422835  0.018559177   48.09711   63.958875         1          0
#> 57 -4.5980292  0.020350262   89.73875   99.485504         0          0
#> 58 -0.6412836  0.048495849   93.33317  100.274735         0          0
#> 59 -2.1861248  0.036181332   59.51158  100.099278         1          0
#> 60 -6.7152085  0.010946461   99.29413  138.963807         0          1
#> 61 -6.7155680  0.011827060   49.77012  295.353662         1          1
#> 62 -7.1252340  0.010549599   97.67612  114.148750         1          1
#> 63 -5.8465650  0.016281125   95.30724   97.440432         1          0
#> 64 -7.0683523  0.011075991   62.56025  696.724538         1          1
#> 65 -6.3402289  0.014919405  135.27923   99.434490         1          0
#> 66 -2.6824647  0.033380557   90.15012   99.025749         0          0
#> 67 -6.6221932  0.012750401  191.90290   94.317512         1          1
#> 68  0.9201778  0.060143203   95.99239   99.100094         1          0
#> 69 -6.3550861  0.011054104   90.59236  102.716466         1          1
#> 70 -7.4564175  0.008925763   85.25744  103.913488         1          1
#> 71 -5.3974671  0.017473141  265.97879   61.809839         1          0
#> 72 -3.7602582  0.024433581   88.91699  105.266880         1          0
#> 73 -6.5919004  0.012666585  213.06841  108.384216         0          1
#> 74 -5.6392862  0.014241992   93.65580  137.704284         0          1
#> 75 -3.4787180  0.022579340  102.58633   89.328648         0          0
plot(p1,last=100)


###### Example 2: Rainfall and two river flows in Colombia
data(riverflows)
fit2 <- mtar(~ Bedon + LaPlata | Rainfall, data=riverflows, row.names=Date,
             subset={Date<="2009-02-13"}, dist="Laplace",
             ars=ars(nregim=3,p=5), n.burnin=1000, n.sim=2000, n.thin=2)
p2 <- predict(fit2, newdata=subset(riverflows,Date>"2009-02-13"), n.ahead=60,
              credible=0.8, out.of.sample=TRUE)
with(p2,summary)
#>    Bedon.Mean Bedon.Lower Bedon.Upper LaPlata.Mean LaPlata.Lower LaPlata.Upper
#> 1   13.501455    7.989354   19.002033     30.35685      8.255682      50.55831
#> 2   15.265672    8.757578   21.772893     35.91165     13.237111      58.68436
#> 3   12.926787    8.566590   18.499977     29.57690     15.371273      47.38782
#> 4   11.288721    7.410766   15.405806     24.78058     13.555100      35.54616
#> 5   11.117279    6.867805   15.853844     24.49393     14.179204      36.93192
#> 6   10.168799    6.694966   14.287128     22.47161     12.022664      31.62910
#> 7    9.520005    5.824334   12.669107     21.11879     12.073384      29.55184
#> 8    8.936109    5.532213   12.067328     19.89678     11.294555      28.20266
#> 9    8.375637    5.037146   11.428044     18.72746     10.306594      26.12041
#> 10   7.954628    4.704687   10.995714     18.03046      9.352619      25.08063
#> 11   7.704590    4.932103   10.964335     17.23194      9.426795      23.96495
#> 12   7.403089    4.578809   10.379184     16.61485      9.797654      24.35154
#> 13   7.197758    4.098751    9.892007     16.32486      9.425076      23.91195
#> 14   8.041580    3.929093   11.743820     18.33107      8.939828      27.43289
#> 15   7.544271    4.298864   10.967150     17.12028      8.352303      24.92580
#> 16   8.239683    3.877416   12.371440     19.06873      9.786731      30.02317
#> 17   8.413851    4.591510   13.476292     20.05996      8.463784      29.74293
#> 18  12.049246    6.466860   18.834601     29.32089      8.184178      53.48126
#> 19  14.534213    7.887396   22.091615     35.43031     11.526782      60.39484
#> 20  12.816345    7.441717   19.367954     30.08302     14.500552      48.36309
#> 21  11.741378    6.020794   16.800055     27.53833     13.380515      41.68418
#> 22  10.265105    5.466062   14.163213     23.51925     12.604410      34.52243
#> 23   9.519027    5.799869   13.243130     21.39965     11.780273      30.57434
#> 24   9.070295    5.626025   12.852304     20.65624     11.558753      29.89974
#> 25   8.579058    5.282735   12.018842     19.58388     10.335465      27.54129
#> 26   8.197857    4.792286   11.484575     18.72621      9.665226      26.30586
#> 27   8.837458    4.212756   12.745147     20.37970     11.222673      31.53113
#> 28   8.215030    4.506003   11.555021     18.83383     10.710434      28.01961
#> 29   7.796039    4.398508   10.876729     17.52301      9.553069      25.03141
#> 30   8.344620    4.640917   12.722382     19.40167      9.942099      30.02066
#> 31   8.794186    3.945462   13.173544     20.37601     10.308366      31.30006
#> 32   9.149795    4.795709   14.162211     20.82145     10.655285      32.23714
#> 33  12.796211    6.302876   18.689489     31.26652     10.208118      54.79187
#> 34  14.979526    8.239432   22.133030     36.47233     11.250672      59.96011
#> 35  13.309487    7.142568   19.290854     30.88055     13.724211      47.19745
#> 36  15.338190    8.025659   22.658448     34.61642     11.179457      60.29772
#> 37  16.616361    8.918776   24.278144     38.39987     11.691493      65.14720
#> 38  18.098893    9.552530   25.535805     40.77195     14.250164      67.89504
#> 39  15.909198    8.453796   21.916510     34.44541     16.640897      53.99288
#> 40  14.709292    8.656947   20.637360     31.55910     15.083463      45.10905
#> 41  17.012504    9.959624   24.166761     37.45742     10.848521      62.63834
#> 42  15.596989    9.126953   22.260445     32.88393     14.845282      51.64647
#> 43  18.139420   10.721946   25.626647     39.24173     14.703989      64.97089
#> 44  19.243480   11.484786   26.750324     42.08758     17.006789      69.10101
#> 45  17.036016   10.410451   23.965908     35.42811     18.237983      54.27070
#> 46  14.529143    9.318495   20.181342     30.15588     17.797651      44.60006
#> 47  12.823312    7.791087   16.672056     26.63391     14.472269      36.32432
#> 48  11.680873    7.916694   15.956407     24.37061     14.316303      34.29856
#> 49  10.967702    7.244314   14.858732     23.23655     14.273037      32.61994
#> 50  10.276467    6.418444   13.890036     22.12461     13.098068      30.50458
#> 51   9.608892    6.107081   13.157449     20.67521     11.353034      28.16579
#> 52  13.661853    8.219688   19.796683     32.54316     10.495731      54.42887
#> 53  15.882468    9.216545   22.885191     37.82593     14.721622      63.46319
#> 54  14.148074    7.990652   19.950420     31.69943     15.292989      49.59329
#> 55  12.726591    7.199533   18.371830     28.59630     14.388540      42.21108
#> 56  12.134518    6.720269   17.355505     27.25265     15.322659      40.72352
#> 57  15.325149    9.335060   22.260779     35.63692     13.779081      59.29138
#> 58  14.126188    7.828054   19.803182     31.13434     14.970778      48.54342
#> 59  12.097998    7.429437   16.969705     26.16860     14.789686      38.49918
#> 60  10.869430    7.078000   15.317335     23.69886     14.204530      34.31835
with(p2,cbind(LS,ES,APE,CR))
#>    Log.Score Energy.Score  Bedon.APE LaPlata.APE Bedon.CR LaPlata.CR
#> 1   6.720491    10.477652 18.8508344   18.241706        1          1
#> 2   8.269662    25.041256  7.7602913   44.175888        1          0
#> 3   5.760879     7.492268 11.4378219    9.578421        1          1
#> 4   4.590936     5.090994  1.5964208    7.801094        1          1
#> 5   6.790677    10.732445  3.1287441   32.893354        1          1
#> 6   4.628800     4.975723  7.3879894   13.136416        1          1
#> 7   5.278370     7.007633 10.1038287   26.645394        1          1
#> 8   4.741045     5.259700 19.2763388   18.722299        1          1
#> 9   4.334467     3.816486  4.0451793    7.564342        1          1
#> 10  4.833618     4.871628  0.6660064   19.935803        1          1
#> 11  4.964254     4.334381 15.9631213   16.023671        1          1
#> 12  4.910398     3.821955 33.5333436    5.704607        1          1
#> 13  5.309914     4.314515 31.1783852   14.841620        1          1
#> 14  6.320366     6.536398 48.0954008   22.260094        1          1
#> 15  4.318744     3.894103  0.1629142    6.954974        1          1
#> 16  4.673221     4.955213  6.2636475   13.979232        1          1
#> 17  5.212284     5.618511 23.5104422   10.406623        1          1
#> 18  8.413858    32.066878 39.6934621   54.939461        0          0
#> 19  6.802840    12.372289 17.1169426   18.250322        1          1
#> 20  5.661318     8.403159 24.4305301   20.235891        1          1
#> 21  5.432889     7.487734 20.7587941   23.103854        1          1
#> 22  4.977150     5.566834  7.7135923   17.127762        1          1
#> 23  4.783891     5.005822  3.9195098   21.175849        1          1
#> 24  4.811010     5.143221  2.3273356   26.337884        1          1
#> 25  4.334030     3.980949  0.7283261    3.290530        1          1
#> 26  5.133537     6.308714  9.7748549   26.187577        1          1
#> 27  5.048323     5.041116 20.5327003    5.078234        1          1
#> 28  6.856842     6.921846 42.3255439   25.469608        1          1
#> 29  4.391759     3.991020  1.4887574   11.320807        1          1
#> 30  4.635884     4.855631 10.1395694    8.049055        1          1
#> 31  4.876024     5.056597  9.2175481    4.517291        1          1
#> 32  6.026179     6.102273 65.0395886    5.997986        1          1
#> 33  6.723043    16.010294 17.0692756   34.807099        1          1
#> 34  6.238298    11.052731 17.1486414    5.743497        1          1
#> 35  5.568589     8.237441  5.9065537   19.091993        1          1
#> 36  7.494783    13.509394 32.4308804   16.368250        0          1
#> 37  6.022236    11.832082  8.0953489    7.397045        1          1
#> 38  6.370478    14.798582 18.2208705   22.970053        1          1
#> 39  5.980578    10.511154  8.6203429   20.869713        1          1
#> 40  6.731908    10.343095 10.0994923   24.155017        1          1
#> 41  6.406752    11.406098 18.2244871    4.489356        1          1
#> 42  7.010686    11.860296  8.9175201   25.500828        1          1
#> 43  7.612993    20.968200  6.2077570   36.910395        1          1
#> 44  6.351249    12.133140 22.4139960   12.203628        1          1
#> 45  6.126329     8.690318 24.5322841    4.822872        1          1
#> 46  5.311350     6.738316  1.3806465   12.560782        1          1
#> 47  5.635609     7.739708  3.1471902   23.112260        1          1
#> 48  5.211093     5.669109  2.8245899   16.194606        1          1
#> 49  4.659819     4.542936  0.1120000    9.161277        1          1
#> 50  5.054455     5.513449  0.2284776   18.808781        1          1
#> 51  4.338645     3.948926  1.6168820    5.485763        1          1
#> 52  5.993946    11.027678 31.3639742   28.832777        1          1
#> 53  6.715459    11.296844 19.9582194   10.534686        1          1
#> 54  6.052322     8.147042 24.5429066    5.233394        1          1
#> 55  5.695696     7.081976 13.9354626   11.739820        1          1
#> 56  5.202480     6.052848 14.5846851    8.274323        1          1
#> 57  7.282101    11.883393 33.7273053   16.599763        1          1
#> 58  5.623967     7.723646 13.4926459    6.369452        1          1
#> 59  5.048340     5.522780  5.5671751    4.424412        1          1
#> 60  4.751571     4.780066  1.8118320    8.215107        1          1
plot(p2,last=100)


###### Example 3: Temperature, precipitation, and two river flows in Iceland
data(iceland.rf)
fit3 <- mtar(~ Jokulsa + Vatnsdalsa | Temperature | Precipitation,
             data=iceland.rf, subset={Date<="1974-11-06"}, row.names=Date,
             ars=ars(nregim=2,p=15,q=4,d=2), n.burnin=1000, n.sim=2000,
             n.thin=2, dist="Slash")
p3 <- predict(fit3, newdata=subset(iceland.rf,Date>"1974-11-06"), n.ahead=55,
              credible=0.8, out.of.sample=TRUE)
with(p3,summary)
#>    Jokulsa.Mean Jokulsa.Lower Jokulsa.Upper Vatnsdalsa.Mean Vatnsdalsa.Lower
#> 1     25.339131     25.353610      28.61864       6.6143681        6.8190044
#> 2     27.002598     23.570123      29.49816       6.7669800        4.9593423
#> 3     27.013603     22.766854      31.80299       8.4442479        4.2337470
#> 4   -187.636991     21.798205      33.81715       3.8999376        2.9745988
#> 5   -159.862953     19.872514      34.25589      18.7169203        1.5417062
#> 6    -73.226021     19.836837      36.15158       7.2724687       -0.1540777
#> 7    -53.011453     17.036575      34.69734       5.4819255       -0.6584208
#> 8    -41.135414     15.448743      35.29546       5.0780691       -1.3974717
#> 9    -30.359860     15.231763      37.18139       6.3413222       -3.0121590
#> 10  -666.867566     16.310505      38.91471    -144.8614829       -3.5288706
#> 11  -589.638504     16.203049      40.85031    -134.0230453       -3.9159423
#> 12  -457.454057     12.686292      37.78426    -108.6353570       -4.3964113
#> 13  -349.967994     13.215064      39.36333     -72.3371223       -6.8679810
#> 14  -272.212531     11.640911      38.13309     -51.2663937       -4.9836105
#> 15  -198.030278     10.933819      37.95909     -34.4210958       -6.6851991
#> 16  -158.735448     13.495525      41.31291     -33.5510176       -6.2102751
#> 17  -134.446697     13.085062      41.44992     -17.6700975       -7.5289064
#> 18  -113.200169     13.785933      42.92194      -4.2782541       -8.8073471
#> 19   -96.645838      9.697880      39.19277      -5.1973223      -10.0935378
#> 20   -83.646266      9.776235      39.32782       5.3188686       -9.4871900
#> 21   -66.242191      9.710060      40.03321      10.5927513      -10.3623815
#> 22   -61.121261     10.188352      39.91153       7.1665847      -12.1179944
#> 23   -42.141521      9.706105      39.96764      19.8606779      -12.0693272
#> 24   -36.587424     11.120871      40.75396      27.9304570      -10.9794438
#> 25   -23.357208     10.105260      40.32454      25.3623195      -10.3710478
#> 26   -18.220187     11.529278      44.41073      16.1423543      -11.9499377
#> 27    -3.231586      9.479286      43.31186      22.4622440      -12.7940910
#> 28     3.260770     11.421725      45.90956      19.7518799      -14.8255347
#> 29     8.576058      7.863118      42.14305      18.3645236      -14.7726559
#> 30    19.676362      7.633864      42.22607      13.8685260      -16.7940979
#> 31    27.518624      7.219054      41.40026       6.6983183      -12.3902090
#> 32    28.163312      7.794921      42.75799       3.6430914      -14.4399503
#> 33    28.740295      9.842258      47.23630      -3.9138159      -17.4650094
#> 34    21.765108      9.826302      45.57978      -5.1988049      -16.8028744
#> 35    26.292940      6.194154      41.59957      -5.7591754      -17.4819785
#> 36    30.820318      9.530639      44.10572      -6.2595339      -12.6827792
#> 37    25.903857      9.514188      43.60149      -4.5047049      -13.1514757
#> 38    21.463134      7.160920      43.85108      -6.5550584      -13.5384821
#> 39    23.404700      7.884026      42.92710      -4.7057812      -13.4889031
#> 40    14.670758     10.143344      45.89183       0.7663577      -16.4385537
#> 41    20.981075      6.672537      44.67700       4.2067500      -16.4633398
#> 42    25.491041      6.490574      44.53224       5.6742480      -18.1067003
#> 43    26.869898      9.276865      46.64245       3.8440303      -16.0244748
#> 44    24.948241      4.553324      43.01574      17.2490595      -19.7457618
#> 45    28.153508      7.839154      48.30550      15.1686906      -15.2670315
#> 46    29.397051      8.146278      48.26700      14.5491936      -18.3870964
#> 47    33.507095      7.059934      46.23943      17.1782558      -16.5236687
#> 48    33.897500      6.344495      43.92205      11.9450188      -21.9842322
#> 49    30.812167      7.642792      46.49500       7.7898953      -20.7106349
#> 50    30.426397      6.610076      43.75327       4.0285141      -20.3857583
#> 51    -2.127945      7.379379      45.61777      24.5284069      -18.9408338
#> 52    16.350446      7.385427      46.52833      29.6249932      -18.7791642
#> 53    10.486376      8.456797      47.55017      21.3448470      -17.5946809
#> 54    11.241271      6.013528      44.96582      18.7552760      -18.5597927
#> 55    14.825362      4.363356      43.34902      16.3487525      -20.9769686
#>    Vatnsdalsa.Upper
#> 1          8.905219
#> 2          9.334984
#> 3         11.653091
#> 4         12.852128
#> 5         14.344995
#> 6         14.331724
#> 7         14.942303
#> 8         16.276342
#> 9         16.890521
#> 10        17.757770
#> 11        18.152068
#> 12        18.400967
#> 13        17.274415
#> 14        21.069311
#> 15        18.884856
#> 16        21.371205
#> 17        21.368490
#> 18        21.308198
#> 19        20.956803
#> 20        22.163175
#> 21        22.544516
#> 22        20.501425
#> 23        21.919793
#> 24        23.682807
#> 25        24.788119
#> 26        25.241742
#> 27        27.107322
#> 28        24.701794
#> 29        25.307765
#> 30        23.872798
#> 31        28.089711
#> 32        26.553929
#> 33        24.964807
#> 34        25.822750
#> 35        25.692511
#> 36        30.750241
#> 37        30.142044
#> 38        30.643491
#> 39        29.659612
#> 40        29.267769
#> 41        29.983249
#> 42        28.332545
#> 43        30.827779
#> 44        28.469633
#> 45        34.341049
#> 46        30.551721
#> 47        32.186273
#> 48        26.543183
#> 49        27.791885
#> 50        28.179666
#> 51        28.225296
#> 52        28.522941
#> 53        32.878352
#> 54        32.421732
#> 55        29.637647
with(p3,cbind(LS,ES,APE,CR))
#>    Log.Score Energy.Score Jokulsa.APE Vatnsdalsa.APE Jokulsa.CR Vatnsdalsa.CR
#> 1   5.207869     5.786823   12.623686       4.139593          0             1
#> 2   5.754766     9.099345   10.587423       7.301644          0             1
#> 3   4.268312    11.020779    4.881681      34.035681          1             1
#> 4   5.500519   123.025414  774.953206      24.419815          1             1
#> 5   4.083707   112.480599  662.897721     206.834759          1             1
#> 6   3.851538   122.722656  374.254760      31.747622          1             1
#> 7   4.636393   105.795668  294.181145       9.858226          1             1
#> 8   4.548883    89.263610  250.679173       4.905073          1             1
#> 9   4.048425    76.911622  213.707339      18.751353          1             1
#> 10  4.265174   396.071349 2645.296053    2812.761852          1             1
#> 11  4.196855   353.879004 2350.528642    2697.345840          1             1
#> 12  3.922593   282.642619 1846.007852    2002.545656          1             1
#> 13  3.953818   225.924664 1435.755702    1410.455114          1             1
#> 14  4.157994   186.963371 1159.192728    1028.739016          1             1
#> 15  4.656990   147.953253  905.001130     767.075500          1             1
#> 16  4.571435   127.350276  745.266047     796.079203          1             1
#> 17  4.073351   117.874305  613.155334     420.110462          1             1
#> 18  4.115897   114.044604  523.970670     170.135313          1             1
#> 19  4.159000   108.743809  461.969432     188.090209          1             1
#> 20  4.119922   122.852918  413.281894       6.849937          1             1
#> 21  4.276756   115.666382  352.832788      91.897669          1             1
#> 22  4.479139   106.947973  333.287254      38.887301          1             1
#> 23  4.446614    89.702641  263.974789     298.009577          1             1
#> 24  4.860939    83.283461  242.363517     523.447701          1             1
#> 25  4.419641    70.466107  194.947999     426.189202          1             1
#> 26  4.503421    64.029953  172.302330     212.836324          1             1
#> 27  4.401795    67.736583  112.574266     335.314806          1             1
#> 28  4.468975    64.567548   87.060438     282.788370          1             1
#> 29  4.439908    61.158215   66.630124     255.901620          1             1
#> 30  4.456178    61.819413   24.899381     168.769884          1             1
#> 31  4.577683    63.187943    9.200889      38.969258          1             1
#> 32  4.708405    60.013128    7.493559      21.653947          1             1
#> 33  4.939657    58.080762   14.048789     202.455913          1             1
#> 34  4.988199    54.071526   13.630525     225.574997          1             1
#> 35  4.565759    54.723159    4.337065     223.853234          1             1
#> 36  4.825325    55.411946   25.285844     234.613632          1             1
#> 37  4.891902    52.719973    5.300231     204.517515          1             1
#> 38  5.114067    53.181853   12.751489     252.089521          1             1
#> 39  4.679173    49.523054    4.858943     191.197310          1             1
#> 40  4.870874    50.891092   40.362774      85.148106          1             1
#> 41  4.927411    52.287174   14.711076      18.473838          1             1
#> 42  4.649240    49.464543    3.622119       9.966046          1             1
#> 43  4.855889    46.879371    9.227227      25.503289          1             1
#> 44  4.862104    55.161166    1.415612     245.672535          1             1
#> 45  4.898178    58.612286   14.445156     226.208401          1             1
#> 46  4.988252    55.991709   19.500208     181.961117          1             1
#> 47  5.121413    54.722640   36.207705     232.911935          1             1
#> 48  5.034113    61.427503   37.794715     131.492612          1             1
#> 49  5.321079    57.765882   25.252711      50.966962          1             1
#> 50  5.221961    53.336799   23.684539      21.928021          1             1
#> 51  5.372540    72.195911  108.650183     375.356724          1             1
#> 52  5.105944    72.775575   33.534773     474.127774          1             1
#> 53  5.137304    71.410345   57.372454     313.659825          1             1
#> 54  4.962329    65.847602   54.303778     251.222397          1             1
#> 55  4.731579    59.677874   42.313765     206.156415          1             1
plot(p3,last=100)


###### Example 4: U.S. stock returns
data(US.returns)
fit4 <- mtar(~ CCR | dVIX, data=US.returns, subset={Date<="2025-11-28"},
             row.names=Date, ars=ars(nregim=2,p=3,d=3), n.burnin=1000,
             n.sim=2000, n.thin=2, dist="Student-t")
p4 <- predict(fit4, newdata=subset(US.returns,Date>"2025-11-28"),n.ahead=100,
              credible=0.8, out.of.sample=TRUE)
with(p4,summary)
#>          CCR.Mean  CCR.Lower CCR.Upper
#> 1    0.0701043761 -0.9704474 1.1400940
#> 2    0.0869978936 -1.0323462 1.0558001
#> 3    0.0766240518 -1.0380363 1.0481784
#> 4    0.0634913590 -1.0055895 0.9596353
#> 5    0.1284548931 -0.8854098 1.1811781
#> 6    0.0768642443 -1.0295697 1.1321729
#> 7   -0.0539273644 -1.4842047 1.7042178
#> 8    0.0369715397 -0.9289614 1.1217112
#> 9    0.0719905427 -0.9271710 1.1285411
#> 10   0.1637056616 -0.9527240 1.2448021
#> 11   0.1569008262 -0.9288041 1.0651366
#> 12   0.0728681292 -1.0271811 0.9683613
#> 13  -0.0217104365 -0.9551291 1.0342994
#> 14   0.2818649410 -1.2348089 1.7291236
#> 15   0.0449383950 -1.0855646 1.0028971
#> 16   0.0317383130 -0.9203402 1.1491541
#> 17   0.2068788820 -0.7649928 1.3319735
#> 18   0.1117551644 -1.0178441 1.0549904
#> 19   0.0570800181 -0.9435774 1.1667403
#> 20   0.0409211974 -0.9853378 1.0980559
#> 21   0.1098926293 -0.9916107 1.0404661
#> 22   0.0697385890 -0.9437401 1.1304039
#> 23   0.1185279470 -0.9493896 1.2135799
#> 24   0.0814730297 -1.0951384 1.0165484
#> 25   0.0743582897 -0.9212533 1.0774167
#> 26   0.0906494710 -1.1374614 0.9696480
#> 27   0.0848786801 -0.8776950 1.1550925
#> 28   0.0508434495 -0.9061195 1.0545380
#> 29   0.0524988660 -0.9682303 1.1283123
#> 30   0.1366144661 -0.8497017 1.1889986
#> 31   0.0593225591 -1.0277820 1.0548563
#> 32   0.0302368299 -1.0961422 0.9994821
#> 33   0.0466537036 -0.9086729 1.1439851
#> 34   0.1405064919 -0.8305787 1.2485476
#> 35   0.1010015324 -1.5025959 1.7186173
#> 36  -0.1183814247 -1.1510745 0.9273367
#> 37   0.0614958160 -0.8398117 1.1398453
#> 38   0.2714461950 -0.6933243 1.4480600
#> 39  -0.0009445086 -1.0487921 1.0779864
#> 40   0.0436529842 -0.9223114 1.1075327
#> 41   0.0990324795 -0.9220119 1.1655743
#> 42   0.0611119778 -0.8587965 1.0921572
#> 43   0.0554413073 -0.9375631 1.1083550
#> 44   0.0428704076 -0.9605631 1.0894107
#> 45   0.0829172558 -1.4457253 1.5969937
#> 46   0.0739681712 -1.0887161 1.0625654
#> 47  -0.0353609479 -1.4999716 1.5122040
#> 48  -0.0173228881 -1.0235583 1.0961593
#> 49   0.2998108562 -0.9040761 1.1811992
#> 50   0.2159583043 -0.9071144 1.1825349
#> 51  -0.0067538648 -0.9913596 1.0510124
#> 52   0.0312012071 -1.4057767 1.5131064
#> 53  -0.0672791816 -1.1103790 0.9471805
#> 54   0.0430566802 -1.0244708 1.0432755
#> 55   0.1348370398 -0.9018776 1.1874719
#> 56   0.1047127641 -0.8475987 1.1296451
#> 57   0.0865090753 -0.8568783 1.1286480
#> 58   0.0237012479 -1.6318207 1.4848093
#> 59   0.0660375252 -0.9695613 1.1167400
#> 60   0.0447712836 -0.9793054 1.0580995
#> 61   0.2312714750 -0.9032599 1.2101105
#> 62  -0.0273483084 -1.6828260 1.4129526
#> 63   0.0002733227 -1.7143798 1.4289589
#> 64   0.0858909534 -1.4103979 1.6771128
#> 65  -0.0127815236 -1.0283895 1.0114120
#> 66   0.0477002404 -1.5226168 1.7159421
#> 67   0.1767217509 -1.3128562 1.8403543
#> 68  -0.2583547596 -1.3018237 0.7939929
#> 69   0.1059795278 -0.8725025 1.1410988
#> 70   0.2887895929 -0.8731611 1.2199444
#> 71  -0.1699399582 -1.7984027 1.3842870
#> 72  -0.0679537687 -1.0278891 1.0468290
#> 73   0.0176694961 -1.0369365 0.9313396
#> 74   0.2725877043 -0.7996631 1.2431894
#> 75   0.0144815600 -1.4936019 1.5938152
#> 76  -0.0668645843 -1.0613867 0.9541710
#> 77   0.0449101347 -1.6909555 1.4180803
#> 78   0.0723657910 -0.8944583 1.0779425
#> 79   0.0276405105 -0.8441875 1.1618245
#> 80   0.1709720753 -0.9111563 1.1041167
#> 81  -0.0612429160 -1.6411851 1.4917741
#> 82   0.1151374730 -1.4256831 1.7545225
#> 83  -0.1232081710 -1.1553328 0.8768577
#> 84   0.0369808600 -0.9220609 1.0920441
#> 85   0.3900046620 -0.7541871 1.3078576
#> 86   0.2903668076 -0.8236809 1.2606166
#> 87   0.0239008228 -0.9531384 1.1457454
#> 88   0.0495130293 -1.6683164 1.4886805
#> 89   0.0081549312 -1.1209990 0.9931845
#> 90   0.1967041082 -0.8088877 1.3218740
#> 91   0.2763682591 -0.7798588 1.2982923
#> 92  -0.0034111178 -0.9776309 1.0745639
#> 93   0.0640373460 -1.0427102 0.9783209
#> 94   0.1708625200 -0.9068444 1.1382774
#> 95   0.1468100650 -0.8146346 1.1989405
#> 96   0.0654439175 -0.9397118 1.1300273
#> 97  -0.0218308518 -1.6783436 1.5907265
#> 98   0.0167782479 -0.9911371 1.0228888
#> 99   0.0783676410 -1.0109278 1.0401455
#> 100  0.0957279883 -1.0208458 1.1526204
with(p4,cbind(LS,ES,APE,CR))
#>     Log.Score Energy.Score    CCR.APE CCR.CR
#> 1   1.0925579    0.6555916  113.13418      1
#> 2   0.5673139    0.4862141   64.55123      1
#> 3   0.6361471    0.5032892   74.24701      1
#> 4   0.5113026    0.4260904   41.19826      1
#> 5   0.5130369    0.4339806   33.60819      1
#> 6   0.8501629    0.5701043  122.06653      1
#> 7   0.9202928    0.6932145   38.49126      1
#> 8   1.1443003    0.6563130   94.50386      1
#> 9   0.5613701    0.4606733   65.34280      1
#> 10  2.2130060    1.1412344  115.26972      0
#> 11  0.6880383    0.4981456  198.19917      1
#> 12  0.6543341    0.4796441  130.53009      1
#> 13  2.1424698    1.0581645   98.13803      0
#> 14  1.3015782    0.9191440   64.33449      1
#> 15  1.4892405    0.8010184   94.88137      1
#> 16  1.0203557    0.6255901   95.05313      1
#> 17  0.6344617    0.5066999   54.43292      1
#> 18  0.5683415    0.4701269   65.25391      1
#> 19  0.5258966    0.4643682  287.49825      1
#> 20  0.8431657    0.5624182  111.69777      1
#> 21  0.6026231    0.5139244  179.82819      1
#> 22  1.4259069    0.7701627  109.44349      1
#> 23  0.5363778    0.4930696   37.38231      1
#> 24  1.0433973    0.6252334   87.13736      1
#> 25  0.9837378    0.5867749   87.96322      1
#> 26  0.8388315    0.5627402  126.30644      1
#> 27  0.5133891    0.4695412 1008.41867      1
#> 28  1.0588807    0.6049867   92.12296      1
#> 29  0.5243357    0.4711161   66.69607      1
#> 30  0.6998558    0.4932192  170.38223      1
#> 31  1.1236956    0.6560715  111.09328      1
#> 32  0.6143604    0.5076642   88.26477      1
#> 33  0.5321731    0.4564385  172.61910      1
#> 34  3.7522188    2.0078365  106.74135      0
#> 35  1.7303430    1.0976615   91.23333      1
#> 36  1.1654894    0.7091658  121.63204      1
#> 37  0.5344202    0.4544571   88.14672      1
#> 38  0.6035668    0.4809570   45.64093      1
#> 39  0.7565606    0.5281581  100.23186      1
#> 40  0.5121819    0.4458243  634.42855      1
#> 41  0.5875404    0.4866180  176.56373      1
#> 42  0.9534513    0.5643920  114.17523      1
#> 43  0.8931330    0.5681201   89.68872      1
#> 44  1.6212013    0.8428297  105.07973      1
#> 45  1.1497027    0.8106287  116.30521      1
#> 46  2.3250283    1.1653811  106.00068      0
#> 47  2.7427100    1.7601378  101.81298      0
#> 48  0.9131883    0.5738949  103.70138      1
#> 49  0.9552226    0.6610496  190.59876      1
#> 50  0.6295177    0.4940362 4509.13177      1
#> 51  2.8306670    1.4124975   99.57213      0
#> 52  0.9132329    0.6589653   37.46523      1
#> 53  0.5469473    0.4549575  165.27220      1
#> 54  0.9762023    0.5901031   92.24296      1
#> 55  0.8556207    0.5674659  147.71090      1
#> 56  1.0580195    0.6088836   84.85893      1
#> 57  2.0196750    1.0216710  108.28632      0
#> 58  1.3559187    0.8836219   96.89063      1
#> 59  1.3718853    0.7395880   91.85067      1
#> 60  1.1198674    0.6466065  108.32176      1
#> 61  1.1761236    0.6806003  153.18055      1
#> 62  0.9252006    0.6803580  168.67270      1
#> 63  1.5577876    1.0053944  100.02880      1
#> 64  1.2492726    0.8292328   88.88303      1
#> 65  1.0199670    0.6110969   97.74286      1
#> 66  2.0509999    1.3516514  103.56885      1
#> 67  1.2558044    0.8521265   78.63057      1
#> 68  0.5330200    0.4632379   20.87535      1
#> 69  0.6385590    0.4743885  226.47835      1
#> 70  3.2267507    1.6766109  118.81996      0
#> 71  1.0870105    0.7543259   72.03794      1
#> 72  1.8597015    0.9731432  106.74150      1
#> 73  0.6252306    0.4671085   92.90711      1
#> 74  2.9576468    1.4942526  119.89538      0
#> 75  0.9808534    0.7093237  105.26107      1
#> 76  2.6260035    1.3099508   95.61656      0
#> 77  1.7455726    1.1145692   96.05640      1
#> 78  0.8383488    0.5517218  119.29953      1
#> 79  0.9435010    0.6136509   94.88567      1
#> 80  3.2744735    1.7319806  109.73674      0
#> 81  2.4066618    1.4660413   96.36826      0
#> 82  1.1405490    0.7754904  129.12239      1
#> 83  4.6878638    2.7892034  104.29074      0
#> 84  1.1721286    0.6825963   94.82276      1
#> 85  0.6412249    0.4890768  248.14686      1
#> 86  0.6110558    0.4984032   34.26142      1
#> 87  0.5188506    0.4608955   68.50833      1
#> 88  3.3133465    2.1774711   98.00125      0
#> 89  1.1162135    0.6811072   98.67422      1
#> 90  0.7387067    0.5381643  272.67366      1
#> 91  1.3239718    0.7197563   72.69591      1
#> 92  2.0633407    1.0548788  100.29120      0
#> 93  1.3294335    0.7241094   91.93901      1
#> 94  0.5516590    0.4630936   34.45040      1
#> 95  1.9825557    0.9971560   87.73364      1
#> 96  0.6916404    0.5014648  127.52975      1
#> 97  1.2516061    0.8448070   96.57200      1
#> 98  1.8154758    0.9417822   98.38760      0
#> 99  0.8480363    0.5652572  118.92284      1
#> 100 1.1281451    0.6682326   87.09853      1
plot(p4,last=100)

# }