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Type 'q()' to quit R. > x <- array(list(20503,22885,26217,26583,27751,28158,27373,28367,26851,26733,26849,26733,27951,29781,32914,33488,35652,36488,35387,35676,34844,32447,31068,29010,29812,30951,32974,32936,34012,32946,31948,30599,27691,25073,23406,22248,22896,25317,26558,26471,27543,26198,24725,25005,23462,20780,19815,19761,21454,23899,24939,23580,24562,24696,23785,23812,21917,19713,19282,18788,21453,24482,27474,27264,27349,30632,29429,30084,26290,24379,23335,21346,21106,24514,28353,30805,31348,34556,33855,34787,32529,29998,29257,28155,30466,35704,39327,39351,42234,43630,43722,43121,37985,37135,34646,33026,35087,38846,42013,43908,42868,44423,44167,43636,44382,42142,43452,36912,42413,45344,44873,47510,49554,47369,45998,48140,48441,44928,40454,38661,37246,36843,36424,37594,38144,38737,34560,36080,33508,35462,33374,32110,35533,35532,37903,36763,40399,44164,44496,43110,43880,43930,44327),dim=c(1,143),dimnames=list(c('OPJV'),1:143)) > y <- array(NA,dim=c(1,143),dimnames=list(c('OPJV'),1:143)) > for (i in 1:dim(x)[1]) + { + for (j in 1:dim(x)[2]) + { + y[i,j] <- as.numeric(x[i,j]) + } + } > par3 = 'Linear Trend' > par2 = 'Do not include Seasonal Dummies' > par1 = '1' > #'GNU S' R Code compiled by R2WASP v. 1.0.44 () > #Author: Prof. Dr. P. Wessa > #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > #Technical description: Write here your technical program description (don't use hard returns!) > library(lattice) > library(lmtest) Loading required package: zoo > n25 <- 25 #minimum number of obs. for Goldfeld-Quandt test > par1 <- as.numeric(par1) > x <- t(y) > k <- length(x[1,]) > n <- length(x[,1]) > x1 <- cbind(x[,par1], x[,1:k!=par1]) > mycolnames <- c(colnames(x)[par1], colnames(x)[1:k!=par1]) > colnames(x1) <- mycolnames #colnames(x)[par1] > x <- x1 > if (par3 == 'First Differences'){ + x2 <- array(0, dim=c(n-1,k), dimnames=list(1:(n-1), paste('(1-B)',colnames(x),sep=''))) + for (i in 1:n-1) { + for (j in 1:k) { + x2[i,j] <- x[i+1,j] - x[i,j] + } + } + x <- x2 + } > if (par2 == 'Include Monthly Dummies'){ + x2 <- array(0, dim=c(n,11), dimnames=list(1:n, paste('M', seq(1:11), sep =''))) + for (i in 1:11){ + x2[seq(i,n,12),i] <- 1 + } + x <- cbind(x, x2) + } > if (par2 == 'Include Quarterly Dummies'){ + x2 <- array(0, dim=c(n,3), dimnames=list(1:n, paste('Q', seq(1:3), sep =''))) + for (i in 1:3){ + x2[seq(i,n,4),i] <- 1 + } + x <- cbind(x, x2) + } > k <- length(x[1,]) > if (par3 == 'Linear Trend'){ + x <- cbind(x, c(1:n)) + colnames(x)[k+1] <- 't' + } > x OPJV t 1 20503 1 2 22885 2 3 26217 3 4 26583 4 5 27751 5 6 28158 6 7 27373 7 8 28367 8 9 26851 9 10 26733 10 11 26849 11 12 26733 12 13 27951 13 14 29781 14 15 32914 15 16 33488 16 17 35652 17 18 36488 18 19 35387 19 20 35676 20 21 34844 21 22 32447 22 23 31068 23 24 29010 24 25 29812 25 26 30951 26 27 32974 27 28 32936 28 29 34012 29 30 32946 30 31 31948 31 32 30599 32 33 27691 33 34 25073 34 35 23406 35 36 22248 36 37 22896 37 38 25317 38 39 26558 39 40 26471 40 41 27543 41 42 26198 42 43 24725 43 44 25005 44 45 23462 45 46 20780 46 47 19815 47 48 19761 48 49 21454 49 50 23899 50 51 24939 51 52 23580 52 53 24562 53 54 24696 54 55 23785 55 56 23812 56 57 21917 57 58 19713 58 59 19282 59 60 18788 60 61 21453 61 62 24482 62 63 27474 63 64 27264 64 65 27349 65 66 30632 66 67 29429 67 68 30084 68 69 26290 69 70 24379 70 71 23335 71 72 21346 72 73 21106 73 74 24514 74 75 28353 75 76 30805 76 77 31348 77 78 34556 78 79 33855 79 80 34787 80 81 32529 81 82 29998 82 83 29257 83 84 28155 84 85 30466 85 86 35704 86 87 39327 87 88 39351 88 89 42234 89 90 43630 90 91 43722 91 92 43121 92 93 37985 93 94 37135 94 95 34646 95 96 33026 96 97 35087 97 98 38846 98 99 42013 99 100 43908 100 101 42868 101 102 44423 102 103 44167 103 104 43636 104 105 44382 105 106 42142 106 107 43452 107 108 36912 108 109 42413 109 110 45344 110 111 44873 111 112 47510 112 113 49554 113 114 47369 114 115 45998 115 116 48140 116 117 48441 117 118 44928 118 119 40454 119 120 38661 120 121 37246 121 122 36843 122 123 36424 123 124 37594 124 125 38144 125 126 38737 126 127 34560 127 128 36080 128 129 33508 129 130 35462 130 131 33374 131 132 32110 132 133 35533 133 134 35532 134 135 37903 135 136 36763 136 137 40399 137 138 44164 138 139 44496 139 140 43110 140 141 43880 141 142 43930 142 143 44327 143 > k <- length(x[1,]) > df <- as.data.frame(x) > (mylm <- lm(df)) Call: lm(formula = df) Coefficients: (Intercept) t 23615.9 126.7 > (mysum <- summary(mylm)) Call: lm(formula = df) Residuals: Min 1Q Median 3Q Max -12432.5 -4638.3 -392.3 4633.0 11616.0 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 23615.90 999.99 23.62 <2e-16 *** t 126.74 12.05 10.52 <2e-16 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 5948 on 141 degrees of freedom Multiple R-squared: 0.4397, Adjusted R-squared: 0.4357 F-statistic: 110.7 on 1 and 141 DF, p-value: < 2.2e-16 > if (n > n25) { + kp3 <- k + 3 + nmkm3 <- n - k - 3 + gqarr <- array(NA, dim=c(nmkm3-kp3+1,3)) + numgqtests <- 0 + numsignificant1 <- 0 + numsignificant5 <- 0 + numsignificant10 <- 0 + for (mypoint in kp3:nmkm3) { + j <- 0 + numgqtests <- numgqtests + 1 + for (myalt in c('greater', 'two.sided', 'less')) { + j <- j + 1 + gqarr[mypoint-kp3+1,j] <- gqtest(mylm, point=mypoint, alternative=myalt)$p.value + } + if (gqarr[mypoint-kp3+1,2] < 0.01) numsignificant1 <- numsignificant1 + 1 + if (gqarr[mypoint-kp3+1,2] < 0.05) numsignificant5 <- numsignificant5 + 1 + if (gqarr[mypoint-kp3+1,2] < 0.10) numsignificant10 <- numsignificant10 + 1 + } + gqarr + } [,1] [,2] [,3] [1,] 5.936203e-03 1.187241e-02 9.940638e-01 [2,] 2.262666e-03 4.525332e-03 9.977373e-01 [3,] 2.312440e-03 4.624881e-03 9.976876e-01 [4,] 8.352344e-04 1.670469e-03 9.991648e-01 [5,] 9.231536e-04 1.846307e-03 9.990768e-01 [6,] 6.414566e-04 1.282913e-03 9.993585e-01 [7,] 3.273192e-04 6.546384e-04 9.996727e-01 [8,] 1.547802e-04 3.095604e-04 9.998452e-01 [9,] 4.749295e-05 9.498591e-05 9.999525e-01 [10,] 1.464897e-05 2.929794e-05 9.999854e-01 [11,] 1.522360e-05 3.044720e-05 9.999848e-01 [12,] 1.013541e-05 2.027083e-05 9.999899e-01 [13,] 1.311633e-05 2.623267e-05 9.999869e-01 [14,] 1.243119e-05 2.486238e-05 9.999876e-01 [15,] 5.466925e-06 1.093385e-05 9.999945e-01 [16,] 2.383256e-06 4.766512e-06 9.999976e-01 [17,] 1.207666e-06 2.415332e-06 9.999988e-01 [18,] 2.298153e-06 4.596305e-06 9.999977e-01 [19,] 8.733894e-06 1.746779e-05 9.999913e-01 [20,] 6.793609e-05 1.358722e-04 9.999321e-01 [21,] 1.441051e-04 2.882101e-04 9.998559e-01 [22,] 1.589465e-04 3.178931e-04 9.998411e-01 [23,] 1.162597e-04 2.325193e-04 9.998837e-01 [24,] 8.967233e-05 1.793447e-04 9.999103e-01 [25,] 6.796947e-05 1.359389e-04 9.999320e-01 [26,] 6.015969e-05 1.203194e-04 9.999398e-01 [27,] 6.659174e-05 1.331835e-04 9.999334e-01 [28,] 1.031920e-04 2.063840e-04 9.998968e-01 [29,] 3.863339e-04 7.726678e-04 9.996137e-01 [30,] 2.287253e-03 4.574506e-03 9.977127e-01 [31,] 1.035238e-02 2.070476e-02 9.896476e-01 [32,] 3.125652e-02 6.251305e-02 9.687435e-01 [33,] 5.156795e-02 1.031359e-01 9.484320e-01 [34,] 5.212025e-02 1.042405e-01 9.478798e-01 [35,] 4.597468e-02 9.194936e-02 9.540253e-01 [36,] 3.970248e-02 7.940496e-02 9.602975e-01 [37,] 3.241184e-02 6.482369e-02 9.675882e-01 [38,] 2.724181e-02 5.448362e-02 9.727582e-01 [39,] 2.454309e-02 4.908618e-02 9.754569e-01 [40,] 2.080650e-02 4.161300e-02 9.791935e-01 [41,] 1.942535e-02 3.885071e-02 9.805746e-01 [42,] 2.428239e-02 4.856478e-02 9.757176e-01 [43,] 3.157319e-02 6.314638e-02 9.684268e-01 [44,] 3.731171e-02 7.462341e-02 9.626883e-01 [45,] 3.399801e-02 6.799603e-02 9.660020e-01 [46,] 2.585148e-02 5.170296e-02 9.741485e-01 [47,] 1.895032e-02 3.790064e-02 9.810497e-01 [48,] 1.415634e-02 2.831269e-02 9.858437e-01 [49,] 1.015107e-02 2.030214e-02 9.898489e-01 [50,] 7.181864e-03 1.436373e-02 9.928181e-01 [51,] 5.140383e-03 1.028077e-02 9.948596e-01 [52,] 3.647886e-03 7.295771e-03 9.963521e-01 [53,] 2.936634e-03 5.873269e-03 9.970634e-01 [54,] 3.188471e-03 6.376941e-03 9.968115e-01 [55,] 3.752332e-03 7.504663e-03 9.962477e-01 [56,] 4.925622e-03 9.851244e-03 9.950744e-01 [57,] 4.586692e-03 9.173383e-03 9.954133e-01 [58,] 3.772059e-03 7.544118e-03 9.962279e-01 [59,] 3.550162e-03 7.100324e-03 9.964498e-01 [60,] 3.244340e-03 6.488681e-03 9.967557e-01 [61,] 2.961530e-03 5.923060e-03 9.970385e-01 [62,] 3.819048e-03 7.638096e-03 9.961810e-01 [63,] 3.935891e-03 7.871781e-03 9.960641e-01 [64,] 4.194845e-03 8.389689e-03 9.958052e-01 [65,] 3.613785e-03 7.227570e-03 9.963862e-01 [66,] 3.506715e-03 7.013430e-03 9.964933e-01 [67,] 4.046934e-03 8.093869e-03 9.959531e-01 [68,] 7.040106e-03 1.408021e-02 9.929599e-01 [69,] 1.483067e-02 2.966135e-02 9.851693e-01 [70,] 2.180540e-02 4.361079e-02 9.781946e-01 [71,] 2.820292e-02 5.640583e-02 9.717971e-01 [72,] 3.833853e-02 7.667707e-02 9.616615e-01 [73,] 5.156624e-02 1.031325e-01 9.484338e-01 [74,] 7.956318e-02 1.591264e-01 9.204368e-01 [75,] 1.050352e-01 2.100703e-01 8.949648e-01 [76,] 1.361023e-01 2.722046e-01 8.638977e-01 [77,] 1.571317e-01 3.142634e-01 8.428683e-01 [78,] 1.912281e-01 3.824561e-01 8.087719e-01 [79,] 2.516187e-01 5.032374e-01 7.483813e-01 [80,] 3.721577e-01 7.443155e-01 6.278423e-01 [81,] 4.904271e-01 9.808542e-01 5.095729e-01 [82,] 5.703847e-01 8.592306e-01 4.296153e-01 [83,] 6.598090e-01 6.803820e-01 3.401910e-01 [84,] 7.239356e-01 5.521288e-01 2.760644e-01 [85,] 7.988709e-01 4.022583e-01 2.011291e-01 [86,] 8.620587e-01 2.758825e-01 1.379413e-01 [87,] 9.005329e-01 1.989343e-01 9.946714e-02 [88,] 9.195514e-01 1.608972e-01 8.044862e-02 [89,] 9.175893e-01 1.648214e-01 8.241072e-02 [90,] 9.171179e-01 1.657642e-01 8.288209e-02 [91,] 9.307007e-01 1.385986e-01 6.929929e-02 [92,] 9.583912e-01 8.321764e-02 4.160882e-02 [93,] 9.724169e-01 5.516628e-02 2.758314e-02 [94,] 9.750525e-01 4.989494e-02 2.494747e-02 [95,] 9.748597e-01 5.028056e-02 2.514028e-02 [96,] 9.749491e-01 5.010178e-02 2.505089e-02 [97,] 9.729696e-01 5.406085e-02 2.703043e-02 [98,] 9.715643e-01 5.687148e-02 2.843574e-02 [99,] 9.686259e-01 6.274828e-02 3.137414e-02 [100,] 9.636711e-01 7.265770e-02 3.632885e-02 [101,] 9.585108e-01 8.297842e-02 4.148921e-02 [102,] 9.489306e-01 1.021388e-01 5.106939e-02 [103,] 9.380762e-01 1.238477e-01 6.192383e-02 [104,] 9.424744e-01 1.150512e-01 5.752562e-02 [105,] 9.285662e-01 1.428676e-01 7.143379e-02 [106,] 9.175726e-01 1.648549e-01 8.242744e-02 [107,] 9.026153e-01 1.947694e-01 9.738468e-02 [108,] 9.070865e-01 1.858270e-01 9.291348e-02 [109,] 9.387724e-01 1.224551e-01 6.122756e-02 [110,] 9.513084e-01 9.738327e-02 4.869163e-02 [111,] 9.581386e-01 8.372280e-02 4.186140e-02 [112,] 9.828499e-01 3.430029e-02 1.715015e-02 [113,] 9.977276e-01 4.544878e-03 2.272439e-03 [114,] 9.996427e-01 7.146018e-04 3.573009e-04 [115,] 9.997845e-01 4.309686e-04 2.154843e-04 [116,] 9.998030e-01 3.939731e-04 1.969865e-04 [117,] 9.997491e-01 5.017344e-04 2.508672e-04 [118,] 9.996630e-01 6.739831e-04 3.369916e-04 [119,] 9.995136e-01 9.728929e-04 4.864465e-04 [120,] 9.995504e-01 8.991621e-04 4.495811e-04 [121,] 9.997661e-01 4.677972e-04 2.338986e-04 [122,] 9.999742e-01 5.156756e-05 2.578378e-05 [123,] 9.999641e-01 7.171993e-05 3.585997e-05 [124,] 9.999857e-01 2.869590e-05 1.434795e-05 [125,] 9.999653e-01 6.949183e-05 3.474591e-05 [126,] 9.999682e-01 6.351982e-05 3.175991e-05 [127,] 9.998930e-01 2.139943e-04 1.069971e-04 [128,] 9.998250e-01 3.500670e-04 1.750335e-04 [129,] 9.993859e-01 1.228116e-03 6.140580e-04 [130,] 9.985718e-01 2.856326e-03 1.428163e-03 [131,] 9.955077e-01 8.984533e-03 4.492266e-03 [132,] 9.988519e-01 2.296256e-03 1.148128e-03 [133,] 9.998674e-01 2.651820e-04 1.325910e-04 [134,] 9.985557e-01 2.888501e-03 1.444251e-03 > postscript(file="/var/www/rcomp/tmp/1mfe91293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(x[,1], type='l', main='Actuals and Interpolation', ylab='value of Actuals and Interpolation (dots)', xlab='time or index') > points(x[,1]-mysum$resid) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/2xodu1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(mysum$resid, type='b', pch=19, main='Residuals', ylab='value of Residuals', xlab='time or index') > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/3xodu1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(mysum$resid, main='Residual Histogram', xlab='values of Residuals') > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/4xodu1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > densityplot(~mysum$resid,col='black',main='Residual Density Plot', xlab='values of Residuals') > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/5pfuf1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > qqnorm(mysum$resid, main='Residual Normal Q-Q Plot') > qqline(mysum$resid) > grid() > dev.off() null device 1 > (myerror <- as.ts(mysum$resid)) Time Series: Start = 1 End = 143 Frequency = 1 1 2 3 4 5 6 -3239.6413 -984.3854 2220.8706 2460.1265 3501.3825 3781.6385 7 8 9 10 11 12 2869.8944 3737.1504 2094.4063 1849.6623 1838.9182 1596.1742 13 14 15 16 17 18 2687.4301 4390.6861 7396.9420 7844.1980 9881.4540 10590.7099 19 20 21 22 23 24 9362.9659 9525.2218 8566.4778 6042.7337 4536.9897 2352.2456 25 26 27 28 29 30 3027.5016 4039.7576 5936.0135 5771.2695 6720.5254 5527.7814 31 32 33 34 35 36 4403.0373 2927.2933 -107.4508 -2852.1948 -4645.9389 -5930.6829 37 38 39 40 41 42 -5409.4269 -3115.1710 -2000.9150 -2214.6591 -1269.4031 -2741.1472 43 44 45 46 47 48 -4340.8912 -4187.6353 -5857.3793 -8666.1234 -9757.8674 -9938.6114 49 50 51 52 53 54 -8372.3555 -6054.0995 -5140.8436 -6626.5876 -5771.3317 -5764.0757 55 56 57 58 59 60 -6801.8198 -6901.5638 -8923.3079 -11254.0519 -11811.7959 -12432.5400 61 62 63 64 65 66 -9894.2840 -6992.0281 -4126.7721 -4463.5162 -4505.2602 -1349.0043 67 68 69 70 71 72 -2678.7483 -2150.4924 -6071.2364 -8108.9804 -9279.7245 -11395.4685 73 74 75 76 77 78 -11762.2126 -8480.9566 -4768.7007 -2443.4447 -2027.1888 1054.0672 79 80 81 82 83 84 226.3232 1031.5791 -1353.1649 -4010.9090 -4878.6530 -6107.3971 85 86 87 88 89 90 -3923.1411 1188.1148 4684.3708 4581.6267 7337.8827 8607.1387 91 92 93 94 95 96 8572.3946 7844.6506 2581.9065 1605.1625 -1010.5816 -2757.3256 97 98 99 100 101 102 -823.0697 2809.1863 5849.4422 7617.6982 6450.9542 7879.2101 103 104 105 106 107 108 7496.4661 6838.7220 7457.9780 5091.2339 6274.4899 -392.2542 109 110 111 112 113 114 4982.0018 7786.2577 7188.5137 9698.7697 11616.0256 9304.2816 115 116 117 118 119 120 7806.5375 9821.7935 9996.0494 6356.3054 1755.5613 -164.1827 121 122 123 124 125 126 -1705.9267 -2235.6708 -2781.4148 -1738.1589 -1314.9029 -848.6470 127 128 129 130 131 132 -5152.3910 -3759.1351 -6457.8791 -4630.6232 -6845.3672 -8236.1112 133 134 135 136 137 138 -4939.8553 -5067.5993 -2823.3434 -4090.0874 -580.8315 3057.4245 139 140 141 142 143 3262.6804 1749.9364 2393.1923 2316.4483 2586.7043 > postscript(file="/var/www/rcomp/tmp/6pfuf1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > dum <- cbind(lag(myerror,k=1),myerror) > dum Time Series: Start = 0 End = 143 Frequency = 1 lag(myerror, k = 1) myerror 0 -3239.6413 NA 1 -984.3854 -3239.6413 2 2220.8706 -984.3854 3 2460.1265 2220.8706 4 3501.3825 2460.1265 5 3781.6385 3501.3825 6 2869.8944 3781.6385 7 3737.1504 2869.8944 8 2094.4063 3737.1504 9 1849.6623 2094.4063 10 1838.9182 1849.6623 11 1596.1742 1838.9182 12 2687.4301 1596.1742 13 4390.6861 2687.4301 14 7396.9420 4390.6861 15 7844.1980 7396.9420 16 9881.4540 7844.1980 17 10590.7099 9881.4540 18 9362.9659 10590.7099 19 9525.2218 9362.9659 20 8566.4778 9525.2218 21 6042.7337 8566.4778 22 4536.9897 6042.7337 23 2352.2456 4536.9897 24 3027.5016 2352.2456 25 4039.7576 3027.5016 26 5936.0135 4039.7576 27 5771.2695 5936.0135 28 6720.5254 5771.2695 29 5527.7814 6720.5254 30 4403.0373 5527.7814 31 2927.2933 4403.0373 32 -107.4508 2927.2933 33 -2852.1948 -107.4508 34 -4645.9389 -2852.1948 35 -5930.6829 -4645.9389 36 -5409.4269 -5930.6829 37 -3115.1710 -5409.4269 38 -2000.9150 -3115.1710 39 -2214.6591 -2000.9150 40 -1269.4031 -2214.6591 41 -2741.1472 -1269.4031 42 -4340.8912 -2741.1472 43 -4187.6353 -4340.8912 44 -5857.3793 -4187.6353 45 -8666.1234 -5857.3793 46 -9757.8674 -8666.1234 47 -9938.6114 -9757.8674 48 -8372.3555 -9938.6114 49 -6054.0995 -8372.3555 50 -5140.8436 -6054.0995 51 -6626.5876 -5140.8436 52 -5771.3317 -6626.5876 53 -5764.0757 -5771.3317 54 -6801.8198 -5764.0757 55 -6901.5638 -6801.8198 56 -8923.3079 -6901.5638 57 -11254.0519 -8923.3079 58 -11811.7959 -11254.0519 59 -12432.5400 -11811.7959 60 -9894.2840 -12432.5400 61 -6992.0281 -9894.2840 62 -4126.7721 -6992.0281 63 -4463.5162 -4126.7721 64 -4505.2602 -4463.5162 65 -1349.0043 -4505.2602 66 -2678.7483 -1349.0043 67 -2150.4924 -2678.7483 68 -6071.2364 -2150.4924 69 -8108.9804 -6071.2364 70 -9279.7245 -8108.9804 71 -11395.4685 -9279.7245 72 -11762.2126 -11395.4685 73 -8480.9566 -11762.2126 74 -4768.7007 -8480.9566 75 -2443.4447 -4768.7007 76 -2027.1888 -2443.4447 77 1054.0672 -2027.1888 78 226.3232 1054.0672 79 1031.5791 226.3232 80 -1353.1649 1031.5791 81 -4010.9090 -1353.1649 82 -4878.6530 -4010.9090 83 -6107.3971 -4878.6530 84 -3923.1411 -6107.3971 85 1188.1148 -3923.1411 86 4684.3708 1188.1148 87 4581.6267 4684.3708 88 7337.8827 4581.6267 89 8607.1387 7337.8827 90 8572.3946 8607.1387 91 7844.6506 8572.3946 92 2581.9065 7844.6506 93 1605.1625 2581.9065 94 -1010.5816 1605.1625 95 -2757.3256 -1010.5816 96 -823.0697 -2757.3256 97 2809.1863 -823.0697 98 5849.4422 2809.1863 99 7617.6982 5849.4422 100 6450.9542 7617.6982 101 7879.2101 6450.9542 102 7496.4661 7879.2101 103 6838.7220 7496.4661 104 7457.9780 6838.7220 105 5091.2339 7457.9780 106 6274.4899 5091.2339 107 -392.2542 6274.4899 108 4982.0018 -392.2542 109 7786.2577 4982.0018 110 7188.5137 7786.2577 111 9698.7697 7188.5137 112 11616.0256 9698.7697 113 9304.2816 11616.0256 114 7806.5375 9304.2816 115 9821.7935 7806.5375 116 9996.0494 9821.7935 117 6356.3054 9996.0494 118 1755.5613 6356.3054 119 -164.1827 1755.5613 120 -1705.9267 -164.1827 121 -2235.6708 -1705.9267 122 -2781.4148 -2235.6708 123 -1738.1589 -2781.4148 124 -1314.9029 -1738.1589 125 -848.6470 -1314.9029 126 -5152.3910 -848.6470 127 -3759.1351 -5152.3910 128 -6457.8791 -3759.1351 129 -4630.6232 -6457.8791 130 -6845.3672 -4630.6232 131 -8236.1112 -6845.3672 132 -4939.8553 -8236.1112 133 -5067.5993 -4939.8553 134 -2823.3434 -5067.5993 135 -4090.0874 -2823.3434 136 -580.8315 -4090.0874 137 3057.4245 -580.8315 138 3262.6804 3057.4245 139 1749.9364 3262.6804 140 2393.1923 1749.9364 141 2316.4483 2393.1923 142 2586.7043 2316.4483 143 NA 2586.7043 > dum1 <- dum[2:length(myerror),] > dum1 lag(myerror, k = 1) myerror [1,] -984.3854 -3239.6413 [2,] 2220.8706 -984.3854 [3,] 2460.1265 2220.8706 [4,] 3501.3825 2460.1265 [5,] 3781.6385 3501.3825 [6,] 2869.8944 3781.6385 [7,] 3737.1504 2869.8944 [8,] 2094.4063 3737.1504 [9,] 1849.6623 2094.4063 [10,] 1838.9182 1849.6623 [11,] 1596.1742 1838.9182 [12,] 2687.4301 1596.1742 [13,] 4390.6861 2687.4301 [14,] 7396.9420 4390.6861 [15,] 7844.1980 7396.9420 [16,] 9881.4540 7844.1980 [17,] 10590.7099 9881.4540 [18,] 9362.9659 10590.7099 [19,] 9525.2218 9362.9659 [20,] 8566.4778 9525.2218 [21,] 6042.7337 8566.4778 [22,] 4536.9897 6042.7337 [23,] 2352.2456 4536.9897 [24,] 3027.5016 2352.2456 [25,] 4039.7576 3027.5016 [26,] 5936.0135 4039.7576 [27,] 5771.2695 5936.0135 [28,] 6720.5254 5771.2695 [29,] 5527.7814 6720.5254 [30,] 4403.0373 5527.7814 [31,] 2927.2933 4403.0373 [32,] -107.4508 2927.2933 [33,] -2852.1948 -107.4508 [34,] -4645.9389 -2852.1948 [35,] -5930.6829 -4645.9389 [36,] -5409.4269 -5930.6829 [37,] -3115.1710 -5409.4269 [38,] -2000.9150 -3115.1710 [39,] -2214.6591 -2000.9150 [40,] -1269.4031 -2214.6591 [41,] -2741.1472 -1269.4031 [42,] -4340.8912 -2741.1472 [43,] -4187.6353 -4340.8912 [44,] -5857.3793 -4187.6353 [45,] -8666.1234 -5857.3793 [46,] -9757.8674 -8666.1234 [47,] -9938.6114 -9757.8674 [48,] -8372.3555 -9938.6114 [49,] -6054.0995 -8372.3555 [50,] -5140.8436 -6054.0995 [51,] -6626.5876 -5140.8436 [52,] -5771.3317 -6626.5876 [53,] -5764.0757 -5771.3317 [54,] -6801.8198 -5764.0757 [55,] -6901.5638 -6801.8198 [56,] -8923.3079 -6901.5638 [57,] -11254.0519 -8923.3079 [58,] -11811.7959 -11254.0519 [59,] -12432.5400 -11811.7959 [60,] -9894.2840 -12432.5400 [61,] -6992.0281 -9894.2840 [62,] -4126.7721 -6992.0281 [63,] -4463.5162 -4126.7721 [64,] -4505.2602 -4463.5162 [65,] -1349.0043 -4505.2602 [66,] -2678.7483 -1349.0043 [67,] -2150.4924 -2678.7483 [68,] -6071.2364 -2150.4924 [69,] -8108.9804 -6071.2364 [70,] -9279.7245 -8108.9804 [71,] -11395.4685 -9279.7245 [72,] -11762.2126 -11395.4685 [73,] -8480.9566 -11762.2126 [74,] -4768.7007 -8480.9566 [75,] -2443.4447 -4768.7007 [76,] -2027.1888 -2443.4447 [77,] 1054.0672 -2027.1888 [78,] 226.3232 1054.0672 [79,] 1031.5791 226.3232 [80,] -1353.1649 1031.5791 [81,] -4010.9090 -1353.1649 [82,] -4878.6530 -4010.9090 [83,] -6107.3971 -4878.6530 [84,] -3923.1411 -6107.3971 [85,] 1188.1148 -3923.1411 [86,] 4684.3708 1188.1148 [87,] 4581.6267 4684.3708 [88,] 7337.8827 4581.6267 [89,] 8607.1387 7337.8827 [90,] 8572.3946 8607.1387 [91,] 7844.6506 8572.3946 [92,] 2581.9065 7844.6506 [93,] 1605.1625 2581.9065 [94,] -1010.5816 1605.1625 [95,] -2757.3256 -1010.5816 [96,] -823.0697 -2757.3256 [97,] 2809.1863 -823.0697 [98,] 5849.4422 2809.1863 [99,] 7617.6982 5849.4422 [100,] 6450.9542 7617.6982 [101,] 7879.2101 6450.9542 [102,] 7496.4661 7879.2101 [103,] 6838.7220 7496.4661 [104,] 7457.9780 6838.7220 [105,] 5091.2339 7457.9780 [106,] 6274.4899 5091.2339 [107,] -392.2542 6274.4899 [108,] 4982.0018 -392.2542 [109,] 7786.2577 4982.0018 [110,] 7188.5137 7786.2577 [111,] 9698.7697 7188.5137 [112,] 11616.0256 9698.7697 [113,] 9304.2816 11616.0256 [114,] 7806.5375 9304.2816 [115,] 9821.7935 7806.5375 [116,] 9996.0494 9821.7935 [117,] 6356.3054 9996.0494 [118,] 1755.5613 6356.3054 [119,] -164.1827 1755.5613 [120,] -1705.9267 -164.1827 [121,] -2235.6708 -1705.9267 [122,] -2781.4148 -2235.6708 [123,] -1738.1589 -2781.4148 [124,] -1314.9029 -1738.1589 [125,] -848.6470 -1314.9029 [126,] -5152.3910 -848.6470 [127,] -3759.1351 -5152.3910 [128,] -6457.8791 -3759.1351 [129,] -4630.6232 -6457.8791 [130,] -6845.3672 -4630.6232 [131,] -8236.1112 -6845.3672 [132,] -4939.8553 -8236.1112 [133,] -5067.5993 -4939.8553 [134,] -2823.3434 -5067.5993 [135,] -4090.0874 -2823.3434 [136,] -580.8315 -4090.0874 [137,] 3057.4245 -580.8315 [138,] 3262.6804 3057.4245 [139,] 1749.9364 3262.6804 [140,] 2393.1923 1749.9364 [141,] 2316.4483 2393.1923 [142,] 2586.7043 2316.4483 > z <- as.data.frame(dum1) > z lag(myerror, k = 1) myerror 1 -984.3854 -3239.6413 2 2220.8706 -984.3854 3 2460.1265 2220.8706 4 3501.3825 2460.1265 5 3781.6385 3501.3825 6 2869.8944 3781.6385 7 3737.1504 2869.8944 8 2094.4063 3737.1504 9 1849.6623 2094.4063 10 1838.9182 1849.6623 11 1596.1742 1838.9182 12 2687.4301 1596.1742 13 4390.6861 2687.4301 14 7396.9420 4390.6861 15 7844.1980 7396.9420 16 9881.4540 7844.1980 17 10590.7099 9881.4540 18 9362.9659 10590.7099 19 9525.2218 9362.9659 20 8566.4778 9525.2218 21 6042.7337 8566.4778 22 4536.9897 6042.7337 23 2352.2456 4536.9897 24 3027.5016 2352.2456 25 4039.7576 3027.5016 26 5936.0135 4039.7576 27 5771.2695 5936.0135 28 6720.5254 5771.2695 29 5527.7814 6720.5254 30 4403.0373 5527.7814 31 2927.2933 4403.0373 32 -107.4508 2927.2933 33 -2852.1948 -107.4508 34 -4645.9389 -2852.1948 35 -5930.6829 -4645.9389 36 -5409.4269 -5930.6829 37 -3115.1710 -5409.4269 38 -2000.9150 -3115.1710 39 -2214.6591 -2000.9150 40 -1269.4031 -2214.6591 41 -2741.1472 -1269.4031 42 -4340.8912 -2741.1472 43 -4187.6353 -4340.8912 44 -5857.3793 -4187.6353 45 -8666.1234 -5857.3793 46 -9757.8674 -8666.1234 47 -9938.6114 -9757.8674 48 -8372.3555 -9938.6114 49 -6054.0995 -8372.3555 50 -5140.8436 -6054.0995 51 -6626.5876 -5140.8436 52 -5771.3317 -6626.5876 53 -5764.0757 -5771.3317 54 -6801.8198 -5764.0757 55 -6901.5638 -6801.8198 56 -8923.3079 -6901.5638 57 -11254.0519 -8923.3079 58 -11811.7959 -11254.0519 59 -12432.5400 -11811.7959 60 -9894.2840 -12432.5400 61 -6992.0281 -9894.2840 62 -4126.7721 -6992.0281 63 -4463.5162 -4126.7721 64 -4505.2602 -4463.5162 65 -1349.0043 -4505.2602 66 -2678.7483 -1349.0043 67 -2150.4924 -2678.7483 68 -6071.2364 -2150.4924 69 -8108.9804 -6071.2364 70 -9279.7245 -8108.9804 71 -11395.4685 -9279.7245 72 -11762.2126 -11395.4685 73 -8480.9566 -11762.2126 74 -4768.7007 -8480.9566 75 -2443.4447 -4768.7007 76 -2027.1888 -2443.4447 77 1054.0672 -2027.1888 78 226.3232 1054.0672 79 1031.5791 226.3232 80 -1353.1649 1031.5791 81 -4010.9090 -1353.1649 82 -4878.6530 -4010.9090 83 -6107.3971 -4878.6530 84 -3923.1411 -6107.3971 85 1188.1148 -3923.1411 86 4684.3708 1188.1148 87 4581.6267 4684.3708 88 7337.8827 4581.6267 89 8607.1387 7337.8827 90 8572.3946 8607.1387 91 7844.6506 8572.3946 92 2581.9065 7844.6506 93 1605.1625 2581.9065 94 -1010.5816 1605.1625 95 -2757.3256 -1010.5816 96 -823.0697 -2757.3256 97 2809.1863 -823.0697 98 5849.4422 2809.1863 99 7617.6982 5849.4422 100 6450.9542 7617.6982 101 7879.2101 6450.9542 102 7496.4661 7879.2101 103 6838.7220 7496.4661 104 7457.9780 6838.7220 105 5091.2339 7457.9780 106 6274.4899 5091.2339 107 -392.2542 6274.4899 108 4982.0018 -392.2542 109 7786.2577 4982.0018 110 7188.5137 7786.2577 111 9698.7697 7188.5137 112 11616.0256 9698.7697 113 9304.2816 11616.0256 114 7806.5375 9304.2816 115 9821.7935 7806.5375 116 9996.0494 9821.7935 117 6356.3054 9996.0494 118 1755.5613 6356.3054 119 -164.1827 1755.5613 120 -1705.9267 -164.1827 121 -2235.6708 -1705.9267 122 -2781.4148 -2235.6708 123 -1738.1589 -2781.4148 124 -1314.9029 -1738.1589 125 -848.6470 -1314.9029 126 -5152.3910 -848.6470 127 -3759.1351 -5152.3910 128 -6457.8791 -3759.1351 129 -4630.6232 -6457.8791 130 -6845.3672 -4630.6232 131 -8236.1112 -6845.3672 132 -4939.8553 -8236.1112 133 -5067.5993 -4939.8553 134 -2823.3434 -5067.5993 135 -4090.0874 -2823.3434 136 -580.8315 -4090.0874 137 3057.4245 -580.8315 138 3262.6804 3057.4245 139 1749.9364 3262.6804 140 2393.1923 1749.9364 141 2316.4483 2393.1923 142 2586.7043 2316.4483 > plot(z,main=paste('Residual Lag plot, lowess, and regression line'), ylab='values of Residuals', xlab='lagged values of Residuals') > lines(lowess(z)) > abline(lm(z)) > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/7na0o1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Autocorrelation Function') > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/8tgbl1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > pacf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Partial Autocorrelation Function') > grid() > dev.off() null device 1 > postscript(file="/var/www/rcomp/tmp/9tgbl1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > opar <- par(mfrow = c(2,2), oma = c(0, 0, 1.1, 0)) > plot(mylm, las = 1, sub='Residual Diagnostics') > par(opar) > dev.off() null device 1 > if (n > n25) { + postscript(file="/var/www/rcomp/tmp/10tgbl1293462005.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) + plot(kp3:nmkm3,gqarr[,2], main='Goldfeld-Quandt test',ylab='2-sided p-value',xlab='breakpoint') + grid() + dev.off() + } null device 1 > > #Note: the /var/www/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Estimated Regression Equation', 1, TRUE) > a<-table.row.end(a) > myeq <- colnames(x)[1] > myeq <- paste(myeq, '[t] = ', sep='') > for (i in 1:k){ + if (mysum$coefficients[i,1] > 0) myeq <- paste(myeq, '+', '') + myeq <- paste(myeq, mysum$coefficients[i,1], sep=' ') + if (rownames(mysum$coefficients)[i] != '(Intercept)') { + myeq <- paste(myeq, rownames(mysum$coefficients)[i], sep='') + if (rownames(mysum$coefficients)[i] != 't') myeq <- paste(myeq, '[t]', sep='') + } + } > myeq <- paste(myeq, ' + e[t]') > a<-table.row.start(a) > a<-table.element(a, myeq) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/www/rcomp/tmp/11p8qt1293462005.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,hyperlink('http://www.xycoon.com/ols1.htm','Multiple Linear Regression - Ordinary Least Squares',''), 6, TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Variable',header=TRUE) > a<-table.element(a,'Parameter',header=TRUE) > a<-table.element(a,'S.D.',header=TRUE) > a<-table.element(a,'T-STAT
H0: parameter = 0',header=TRUE) > a<-table.element(a,'2-tail p-value',header=TRUE) > a<-table.element(a,'1-tail p-value',header=TRUE) > a<-table.row.end(a) > for (i in 1:k){ + a<-table.row.start(a) + a<-table.element(a,rownames(mysum$coefficients)[i],header=TRUE) + a<-table.element(a,mysum$coefficients[i,1]) + a<-table.element(a, round(mysum$coefficients[i,2],6)) + a<-table.element(a, round(mysum$coefficients[i,3],4)) + a<-table.element(a, round(mysum$coefficients[i,4],6)) + a<-table.element(a, round(mysum$coefficients[i,4]/2,6)) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/rcomp/tmp/12s87h1293462005.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Regression Statistics', 2, TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Multiple R',1,TRUE) > a<-table.element(a, sqrt(mysum$r.squared)) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'R-squared',1,TRUE) > a<-table.element(a, mysum$r.squared) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Adjusted R-squared',1,TRUE) > a<-table.element(a, mysum$adj.r.squared) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'F-TEST (value)',1,TRUE) > a<-table.element(a, mysum$fstatistic[1]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'F-TEST (DF numerator)',1,TRUE) > a<-table.element(a, mysum$fstatistic[2]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'F-TEST (DF denominator)',1,TRUE) > a<-table.element(a, mysum$fstatistic[3]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'p-value',1,TRUE) > a<-table.element(a, 1-pf(mysum$fstatistic[1],mysum$fstatistic[2],mysum$fstatistic[3])) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Residual Statistics', 2, TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Residual Standard Deviation',1,TRUE) > a<-table.element(a, mysum$sigma) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Sum Squared Residuals',1,TRUE) > a<-table.element(a, sum(myerror*myerror)) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/www/rcomp/tmp/13z9mt1293462005.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Actuals, Interpolation, and Residuals', 4, TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a, 'Time or Index', 1, TRUE) > a<-table.element(a, 'Actuals', 1, TRUE) > a<-table.element(a, 'Interpolation
Forecast', 1, TRUE) > a<-table.element(a, 'Residuals
Prediction Error', 1, TRUE) > a<-table.row.end(a) > for (i in 1:n) { + a<-table.row.start(a) + a<-table.element(a,i, 1, TRUE) + a<-table.element(a,x[i]) + a<-table.element(a,x[i]-mysum$resid[i]) + a<-table.element(a,mysum$resid[i]) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/rcomp/tmp/14s1le1293462005.tab") > if (n > n25) { + a<-table.start() + a<-table.row.start(a) + a<-table.element(a,'Goldfeld-Quandt test for Heteroskedasticity',4,TRUE) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'p-values',header=TRUE) + a<-table.element(a,'Alternative Hypothesis',3,header=TRUE) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'breakpoint index',header=TRUE) + a<-table.element(a,'greater',header=TRUE) + a<-table.element(a,'2-sided',header=TRUE) + a<-table.element(a,'less',header=TRUE) + a<-table.row.end(a) + for (mypoint in kp3:nmkm3) { + a<-table.row.start(a) + a<-table.element(a,mypoint,header=TRUE) + a<-table.element(a,gqarr[mypoint-kp3+1,1]) + a<-table.element(a,gqarr[mypoint-kp3+1,2]) + a<-table.element(a,gqarr[mypoint-kp3+1,3]) + a<-table.row.end(a) + } + a<-table.end(a) + table.save(a,file="/var/www/rcomp/tmp/15v12k1293462005.tab") + a<-table.start() + a<-table.row.start(a) + a<-table.element(a,'Meta Analysis of Goldfeld-Quandt test for Heteroskedasticity',4,TRUE) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'Description',header=TRUE) + a<-table.element(a,'# significant tests',header=TRUE) + a<-table.element(a,'% significant tests',header=TRUE) + a<-table.element(a,'OK/NOK',header=TRUE) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'1% type I error level',header=TRUE) + a<-table.element(a,numsignificant1) + a<-table.element(a,numsignificant1/numgqtests) + if (numsignificant1/numgqtests < 0.01) dum <- 'OK' else dum <- 'NOK' + a<-table.element(a,dum) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'5% type I error level',header=TRUE) + a<-table.element(a,numsignificant5) + a<-table.element(a,numsignificant5/numgqtests) + if (numsignificant5/numgqtests < 0.05) dum <- 'OK' else dum <- 'NOK' + a<-table.element(a,dum) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'10% type I error level',header=TRUE) + a<-table.element(a,numsignificant10) + a<-table.element(a,numsignificant10/numgqtests) + if (numsignificant10/numgqtests < 0.1) dum <- 'OK' else dum <- 'NOK' + a<-table.element(a,dum) + a<-table.row.end(a) + a<-table.end(a) + table.save(a,file="/var/www/rcomp/tmp/169tit1293462005.tab") + } > > try(system("convert tmp/1mfe91293462005.ps tmp/1mfe91293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/2xodu1293462005.ps tmp/2xodu1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/3xodu1293462005.ps tmp/3xodu1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/4xodu1293462005.ps tmp/4xodu1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/5pfuf1293462005.ps tmp/5pfuf1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/6pfuf1293462005.ps tmp/6pfuf1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/7na0o1293462005.ps tmp/7na0o1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/8tgbl1293462005.ps tmp/8tgbl1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/9tgbl1293462005.ps tmp/9tgbl1293462005.png",intern=TRUE)) character(0) > try(system("convert tmp/10tgbl1293462005.ps tmp/10tgbl1293462005.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 4.160 1.640 5.782