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Type 'q()' to quit R. > x <- array(list(19,0,23,0,22,0,23,0,25,0,25,0,23,0,22,0,21,0,16,0,21,0,21,0,26,0,23,0,22,0,22,0,22,0,12,0,20,0,18,0,23,0,25,0,28,0,28,0,29,0,31,0,33,0,32,0,33,0,35,0,33,0,36,0,30,0,34,0,34,0,35,0,33,0,28,0,27,0,23,0,23,0,24,0,24,0,20,0,16,1,6,1,2,1,12,1,19,1,21,1,22,1,20,1,21,1,20,1,19,1,17,1,17,1,17,1,16,1,12,1,11,1,7,1,2,1,9,1,11,1,10,1,7,1,9,1,15,1,5,1,14,1,14,1,17,1,19,1,17,1,16,1,14,1,20,1,16,1,18,1,18,1,14,1,13,1,14,1,14,1,17,1,18,1,15,1,9,1,9,1,9,1,10,1,6,1,12,1,11,1,15,1,19,1,18,1,15,1,16,1,14,1,18,1,18,1,18,1,18,1,22,1,21,1,12,1,19,1,21,1,19,1,22,1,22,1,21,1,19,1,18,1,18,1,19,1,12,1,16,1),dim=c(2,120),dimnames=list(c('Vertrouwen','Aanslag'),1:120)) > y <- array(NA,dim=c(2,120),dimnames=list(c('Vertrouwen','Aanslag'),1:120)) > 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 = 'Include Monthly 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 Attaching package: 'zoo' The following object(s) are masked from package:base : as.Date.numeric > 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 Vertrouwen Aanslag M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 t 1 19 0 1 0 0 0 0 0 0 0 0 0 0 1 2 23 0 0 1 0 0 0 0 0 0 0 0 0 2 3 22 0 0 0 1 0 0 0 0 0 0 0 0 3 4 23 0 0 0 0 1 0 0 0 0 0 0 0 4 5 25 0 0 0 0 0 1 0 0 0 0 0 0 5 6 25 0 0 0 0 0 0 1 0 0 0 0 0 6 7 23 0 0 0 0 0 0 0 1 0 0 0 0 7 8 22 0 0 0 0 0 0 0 0 1 0 0 0 8 9 21 0 0 0 0 0 0 0 0 0 1 0 0 9 10 16 0 0 0 0 0 0 0 0 0 0 1 0 10 11 21 0 0 0 0 0 0 0 0 0 0 0 1 11 12 21 0 0 0 0 0 0 0 0 0 0 0 0 12 13 26 0 1 0 0 0 0 0 0 0 0 0 0 13 14 23 0 0 1 0 0 0 0 0 0 0 0 0 14 15 22 0 0 0 1 0 0 0 0 0 0 0 0 15 16 22 0 0 0 0 1 0 0 0 0 0 0 0 16 17 22 0 0 0 0 0 1 0 0 0 0 0 0 17 18 12 0 0 0 0 0 0 1 0 0 0 0 0 18 19 20 0 0 0 0 0 0 0 1 0 0 0 0 19 20 18 0 0 0 0 0 0 0 0 1 0 0 0 20 21 23 0 0 0 0 0 0 0 0 0 1 0 0 21 22 25 0 0 0 0 0 0 0 0 0 0 1 0 22 23 28 0 0 0 0 0 0 0 0 0 0 0 1 23 24 28 0 0 0 0 0 0 0 0 0 0 0 0 24 25 29 0 1 0 0 0 0 0 0 0 0 0 0 25 26 31 0 0 1 0 0 0 0 0 0 0 0 0 26 27 33 0 0 0 1 0 0 0 0 0 0 0 0 27 28 32 0 0 0 0 1 0 0 0 0 0 0 0 28 29 33 0 0 0 0 0 1 0 0 0 0 0 0 29 30 35 0 0 0 0 0 0 1 0 0 0 0 0 30 31 33 0 0 0 0 0 0 0 1 0 0 0 0 31 32 36 0 0 0 0 0 0 0 0 1 0 0 0 32 33 30 0 0 0 0 0 0 0 0 0 1 0 0 33 34 34 0 0 0 0 0 0 0 0 0 0 1 0 34 35 34 0 0 0 0 0 0 0 0 0 0 0 1 35 36 35 0 0 0 0 0 0 0 0 0 0 0 0 36 37 33 0 1 0 0 0 0 0 0 0 0 0 0 37 38 28 0 0 1 0 0 0 0 0 0 0 0 0 38 39 27 0 0 0 1 0 0 0 0 0 0 0 0 39 40 23 0 0 0 0 1 0 0 0 0 0 0 0 40 41 23 0 0 0 0 0 1 0 0 0 0 0 0 41 42 24 0 0 0 0 0 0 1 0 0 0 0 0 42 43 24 0 0 0 0 0 0 0 1 0 0 0 0 43 44 20 0 0 0 0 0 0 0 0 1 0 0 0 44 45 16 1 0 0 0 0 0 0 0 0 1 0 0 45 46 6 1 0 0 0 0 0 0 0 0 0 1 0 46 47 2 1 0 0 0 0 0 0 0 0 0 0 1 47 48 12 1 0 0 0 0 0 0 0 0 0 0 0 48 49 19 1 1 0 0 0 0 0 0 0 0 0 0 49 50 21 1 0 1 0 0 0 0 0 0 0 0 0 50 51 22 1 0 0 1 0 0 0 0 0 0 0 0 51 52 20 1 0 0 0 1 0 0 0 0 0 0 0 52 53 21 1 0 0 0 0 1 0 0 0 0 0 0 53 54 20 1 0 0 0 0 0 1 0 0 0 0 0 54 55 19 1 0 0 0 0 0 0 1 0 0 0 0 55 56 17 1 0 0 0 0 0 0 0 1 0 0 0 56 57 17 1 0 0 0 0 0 0 0 0 1 0 0 57 58 17 1 0 0 0 0 0 0 0 0 0 1 0 58 59 16 1 0 0 0 0 0 0 0 0 0 0 1 59 60 12 1 0 0 0 0 0 0 0 0 0 0 0 60 61 11 1 1 0 0 0 0 0 0 0 0 0 0 61 62 7 1 0 1 0 0 0 0 0 0 0 0 0 62 63 2 1 0 0 1 0 0 0 0 0 0 0 0 63 64 9 1 0 0 0 1 0 0 0 0 0 0 0 64 65 11 1 0 0 0 0 1 0 0 0 0 0 0 65 66 10 1 0 0 0 0 0 1 0 0 0 0 0 66 67 7 1 0 0 0 0 0 0 1 0 0 0 0 67 68 9 1 0 0 0 0 0 0 0 1 0 0 0 68 69 15 1 0 0 0 0 0 0 0 0 1 0 0 69 70 5 1 0 0 0 0 0 0 0 0 0 1 0 70 71 14 1 0 0 0 0 0 0 0 0 0 0 1 71 72 14 1 0 0 0 0 0 0 0 0 0 0 0 72 73 17 1 1 0 0 0 0 0 0 0 0 0 0 73 74 19 1 0 1 0 0 0 0 0 0 0 0 0 74 75 17 1 0 0 1 0 0 0 0 0 0 0 0 75 76 16 1 0 0 0 1 0 0 0 0 0 0 0 76 77 14 1 0 0 0 0 1 0 0 0 0 0 0 77 78 20 1 0 0 0 0 0 1 0 0 0 0 0 78 79 16 1 0 0 0 0 0 0 1 0 0 0 0 79 80 18 1 0 0 0 0 0 0 0 1 0 0 0 80 81 18 1 0 0 0 0 0 0 0 0 1 0 0 81 82 14 1 0 0 0 0 0 0 0 0 0 1 0 82 83 13 1 0 0 0 0 0 0 0 0 0 0 1 83 84 14 1 0 0 0 0 0 0 0 0 0 0 0 84 85 14 1 1 0 0 0 0 0 0 0 0 0 0 85 86 17 1 0 1 0 0 0 0 0 0 0 0 0 86 87 18 1 0 0 1 0 0 0 0 0 0 0 0 87 88 15 1 0 0 0 1 0 0 0 0 0 0 0 88 89 9 1 0 0 0 0 1 0 0 0 0 0 0 89 90 9 1 0 0 0 0 0 1 0 0 0 0 0 90 91 9 1 0 0 0 0 0 0 1 0 0 0 0 91 92 10 1 0 0 0 0 0 0 0 1 0 0 0 92 93 6 1 0 0 0 0 0 0 0 0 1 0 0 93 94 12 1 0 0 0 0 0 0 0 0 0 1 0 94 95 11 1 0 0 0 0 0 0 0 0 0 0 1 95 96 15 1 0 0 0 0 0 0 0 0 0 0 0 96 97 19 1 1 0 0 0 0 0 0 0 0 0 0 97 98 18 1 0 1 0 0 0 0 0 0 0 0 0 98 99 15 1 0 0 1 0 0 0 0 0 0 0 0 99 100 16 1 0 0 0 1 0 0 0 0 0 0 0 100 101 14 1 0 0 0 0 1 0 0 0 0 0 0 101 102 18 1 0 0 0 0 0 1 0 0 0 0 0 102 103 18 1 0 0 0 0 0 0 1 0 0 0 0 103 104 18 1 0 0 0 0 0 0 0 1 0 0 0 104 105 18 1 0 0 0 0 0 0 0 0 1 0 0 105 106 22 1 0 0 0 0 0 0 0 0 0 1 0 106 107 21 1 0 0 0 0 0 0 0 0 0 0 1 107 108 12 1 0 0 0 0 0 0 0 0 0 0 0 108 109 19 1 1 0 0 0 0 0 0 0 0 0 0 109 110 21 1 0 1 0 0 0 0 0 0 0 0 0 110 111 19 1 0 0 1 0 0 0 0 0 0 0 0 111 112 22 1 0 0 0 1 0 0 0 0 0 0 0 112 113 22 1 0 0 0 0 1 0 0 0 0 0 0 113 114 21 1 0 0 0 0 0 1 0 0 0 0 0 114 115 19 1 0 0 0 0 0 0 1 0 0 0 0 115 116 18 1 0 0 0 0 0 0 0 1 0 0 0 116 117 18 1 0 0 0 0 0 0 0 0 1 0 0 117 118 19 1 0 0 0 0 0 0 0 0 0 1 0 118 119 12 1 0 0 0 0 0 0 0 0 0 0 1 119 120 16 1 0 0 0 0 0 0 0 0 0 0 0 120 > k <- length(x[1,]) > df <- as.data.frame(x) > (mylm <- lm(df)) Call: lm(formula = df) Coefficients: (Intercept) Aanslag M1 M2 M3 M4 23.00007 -15.91558 2.11525 2.22372 1.03219 1.04066 M5 M6 M7 M8 M9 M10 0.54914 0.45761 -0.23392 -0.52545 0.57458 -0.71694 M11 t -0.60847 0.09153 > (mysum <- summary(mylm)) Call: lm(formula = df) Residuals: Min 1Q Median 3Q Max -13.1052 -3.3260 -0.1779 3.3986 10.5965 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 23.00007 1.82991 12.569 < 2e-16 *** Aanslag -15.91558 1.74764 -9.107 5.74e-15 *** M1 2.11525 2.26561 0.934 0.352615 M2 2.22372 2.26443 0.982 0.328326 M3 1.03219 2.26352 0.456 0.649314 M4 1.04066 2.26287 0.460 0.646539 M5 0.54914 2.26247 0.243 0.808695 M6 0.45761 2.26234 0.202 0.840092 M7 -0.23392 2.26247 -0.103 0.917848 M8 -0.52545 2.26287 -0.232 0.816827 M9 0.57458 2.26147 0.254 0.799930 M10 -0.71694 2.26082 -0.317 0.751779 M11 -0.60847 2.26043 -0.269 0.788311 t 0.09153 0.02432 3.764 0.000275 *** --- Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 Residual standard error: 5.054 on 106 degrees of freedom Multiple R-squared: 0.5656, Adjusted R-squared: 0.5124 F-statistic: 10.62 on 13 and 106 DF, p-value: 4.425e-14 > 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,] 0.2100495 0.420099064 0.789950468 [2,] 0.6192179 0.761564289 0.380782144 [3,] 0.4911152 0.982230316 0.508884842 [4,] 0.3923648 0.784729534 0.607635233 [5,] 0.3238410 0.647681936 0.676159032 [6,] 0.4547942 0.909588363 0.545205818 [7,] 0.4570528 0.914105610 0.542947195 [8,] 0.4403574 0.880714735 0.559642633 [9,] 0.4048466 0.809693292 0.595153354 [10,] 0.3806363 0.761272501 0.619363749 [11,] 0.4132124 0.826424773 0.586787613 [12,] 0.3815252 0.763050386 0.618474807 [13,] 0.3480844 0.696168850 0.651915575 [14,] 0.4855689 0.971137843 0.514431078 [15,] 0.4619091 0.923818134 0.538090933 [16,] 0.5531143 0.893771348 0.446885674 [17,] 0.4810465 0.962092989 0.518953506 [18,] 0.4940963 0.988192595 0.505903703 [19,] 0.4847136 0.969427164 0.515286418 [20,] 0.5055325 0.988934998 0.494467499 [21,] 0.4858572 0.971714306 0.514142847 [22,] 0.5346292 0.930741532 0.465370766 [23,] 0.5862727 0.827454513 0.413727257 [24,] 0.6995486 0.600902726 0.300451363 [25,] 0.7824941 0.435011766 0.217505883 [26,] 0.7788547 0.442290579 0.221145289 [27,] 0.7889189 0.422162156 0.211081078 [28,] 0.8366053 0.326789353 0.163394677 [29,] 0.8016432 0.396713613 0.198356807 [30,] 0.8154930 0.369013904 0.184506952 [31,] 0.8804785 0.239043032 0.119521516 [32,] 0.8485757 0.302848633 0.151424317 [33,] 0.8550514 0.289897128 0.144948564 [34,] 0.8769337 0.246132588 0.123066294 [35,] 0.9177918 0.164416334 0.082208167 [36,] 0.9252940 0.149412011 0.074706005 [37,] 0.9471428 0.105714373 0.052857186 [38,] 0.9559183 0.088163350 0.044081675 [39,] 0.9653947 0.069210639 0.034605319 [40,] 0.9651016 0.069796767 0.034898384 [41,] 0.9645692 0.070861593 0.035430796 [42,] 0.9682655 0.063469082 0.031734541 [43,] 0.9707563 0.058487372 0.029243686 [44,] 0.9706583 0.058683383 0.029341692 [45,] 0.9729267 0.054146583 0.027073291 [46,] 0.9877494 0.024501179 0.012250590 [47,] 0.9986851 0.002629776 0.001314888 [48,] 0.9987458 0.002508393 0.001254196 [49,] 0.9982884 0.003423236 0.001711618 [50,] 0.9978628 0.004274484 0.002137242 [51,] 0.9981698 0.003660358 0.001830179 [52,] 0.9977683 0.004463440 0.002231720 [53,] 0.9968706 0.006258880 0.003129440 [54,] 0.9987200 0.002560093 0.001280047 [55,] 0.9980628 0.003874442 0.001937221 [56,] 0.9971939 0.005612270 0.002806135 [57,] 0.9957261 0.008547868 0.004273934 [58,] 0.9940560 0.011888012 0.005944006 [59,] 0.9913836 0.017232735 0.008616367 [60,] 0.9869037 0.026192608 0.013096304 [61,] 0.9814789 0.037042130 0.018521065 [62,] 0.9859768 0.028046352 0.014023176 [63,] 0.9832178 0.033564312 0.016782156 [64,] 0.9864438 0.027112348 0.013556174 [65,] 0.9935585 0.012882994 0.006441497 [66,] 0.9899738 0.020052460 0.010026230 [67,] 0.9880195 0.023960953 0.011980477 [68,] 0.9896807 0.020638641 0.010319320 [69,] 0.9839719 0.032056257 0.016028128 [70,] 0.9767666 0.046466815 0.023233408 [71,] 0.9796510 0.040698088 0.020349044 [72,] 0.9691002 0.061799646 0.030899823 [73,] 0.9633419 0.073316151 0.036658076 [74,] 0.9639157 0.072168551 0.036084276 [75,] 0.9607550 0.078489928 0.039244964 [76,] 0.9498624 0.100275250 0.050137625 [77,] 0.9785114 0.042977184 0.021488592 [78,] 0.9811964 0.037607231 0.018803616 [79,] 0.9746724 0.050655293 0.025327646 [80,] 0.9607385 0.078523004 0.039261502 [81,] 0.9324939 0.135012174 0.067506087 [82,] 0.8881508 0.223698437 0.111849218 [83,] 0.8319461 0.336107772 0.168053886 [84,] 0.7970339 0.405932228 0.202966114 [85,] 0.8494022 0.301195584 0.150597792 [86,] 0.7825592 0.434881523 0.217440761 [87,] 0.6480469 0.703906167 0.351953084 > postscript(file="/var/www/html/freestat/rcomp/tmp/1ew3u1229608918.ps",horizontal=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$resid) > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/24gid1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(mysum$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/html/freestat/rcomp/tmp/3bklt1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > hist(mysum$resid, main='Residual Histogram', xlab='values of Residuals') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/4m03h1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > densityplot(~mysum$resid,col='black',main='Residual Density Plot', xlab='values of Residuals') > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/5c2p21229608918.ps",horizontal=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 = 120 Frequency = 1 1 2 3 4 5 6 -6.2068478 -2.4068478 -2.3068478 -1.4068478 0.9931522 0.9931522 7 8 9 10 11 12 -0.4068478 -1.2068478 -3.3984058 -7.1984058 -2.3984058 -3.0984058 13 14 15 16 17 18 -0.3051812 -3.5051812 -3.4051812 -3.5051812 -3.1051812 -13.1051812 19 20 21 22 23 24 -4.5051812 -6.3051812 -2.4967391 0.7032609 3.5032609 2.8032609 25 26 27 28 29 30 1.5964855 3.3964855 6.4964855 5.3964855 6.7964855 8.7964855 31 32 33 34 35 36 7.3964855 10.5964855 3.4049275 8.6049275 8.4049275 8.7049275 37 38 39 40 41 42 4.4981522 -0.7018478 -0.6018478 -4.7018478 -4.3018478 -3.3018478 43 44 45 46 47 48 -2.7018478 -6.5018478 4.2221739 -4.5778261 -8.7778261 0.5221739 49 50 51 52 53 54 5.3153986 7.1153986 9.2153986 7.1153986 8.5153986 7.5153986 55 56 57 58 59 60 7.1153986 5.3153986 4.1238406 5.3238406 4.1238406 -0.5761594 61 62 63 64 65 66 -3.7829348 -7.9829348 -11.8829348 -4.9829348 -2.5829348 -3.5829348 67 68 69 70 71 72 -5.9829348 -3.7829348 1.0255072 -7.7744928 1.0255072 0.3255072 73 74 75 76 77 78 1.1187319 2.9187319 2.0187319 0.9187319 -0.6812681 5.3187319 79 80 81 82 83 84 1.9187319 4.1187319 2.9271739 0.1271739 -1.0728261 -0.7728261 85 86 87 88 89 90 -2.9796014 -0.1796014 1.9203986 -1.1796014 -6.7796014 -6.7796014 91 92 93 94 95 96 -6.1796014 -4.9796014 -10.1711594 -2.9711594 -4.1711594 -0.8711594 97 98 99 100 101 102 0.9220652 -0.2779348 -2.1779348 -1.2779348 -2.8779348 1.1220652 103 104 105 106 107 108 1.7220652 1.9220652 0.7305072 5.9305072 4.7305072 -4.9694928 109 110 111 112 113 114 -0.1762681 1.6237319 0.7237319 3.6237319 4.0237319 3.0237319 115 116 117 118 119 120 1.6237319 0.8237319 -0.3678261 1.8321739 -5.3678261 -2.0678261 > postscript(file="/var/www/html/freestat/rcomp/tmp/6l4cz1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > dum <- cbind(lag(myerror,k=1),myerror) > dum Time Series: Start = 0 End = 120 Frequency = 1 lag(myerror, k = 1) myerror 0 -6.2068478 NA 1 -2.4068478 -6.2068478 2 -2.3068478 -2.4068478 3 -1.4068478 -2.3068478 4 0.9931522 -1.4068478 5 0.9931522 0.9931522 6 -0.4068478 0.9931522 7 -1.2068478 -0.4068478 8 -3.3984058 -1.2068478 9 -7.1984058 -3.3984058 10 -2.3984058 -7.1984058 11 -3.0984058 -2.3984058 12 -0.3051812 -3.0984058 13 -3.5051812 -0.3051812 14 -3.4051812 -3.5051812 15 -3.5051812 -3.4051812 16 -3.1051812 -3.5051812 17 -13.1051812 -3.1051812 18 -4.5051812 -13.1051812 19 -6.3051812 -4.5051812 20 -2.4967391 -6.3051812 21 0.7032609 -2.4967391 22 3.5032609 0.7032609 23 2.8032609 3.5032609 24 1.5964855 2.8032609 25 3.3964855 1.5964855 26 6.4964855 3.3964855 27 5.3964855 6.4964855 28 6.7964855 5.3964855 29 8.7964855 6.7964855 30 7.3964855 8.7964855 31 10.5964855 7.3964855 32 3.4049275 10.5964855 33 8.6049275 3.4049275 34 8.4049275 8.6049275 35 8.7049275 8.4049275 36 4.4981522 8.7049275 37 -0.7018478 4.4981522 38 -0.6018478 -0.7018478 39 -4.7018478 -0.6018478 40 -4.3018478 -4.7018478 41 -3.3018478 -4.3018478 42 -2.7018478 -3.3018478 43 -6.5018478 -2.7018478 44 4.2221739 -6.5018478 45 -4.5778261 4.2221739 46 -8.7778261 -4.5778261 47 0.5221739 -8.7778261 48 5.3153986 0.5221739 49 7.1153986 5.3153986 50 9.2153986 7.1153986 51 7.1153986 9.2153986 52 8.5153986 7.1153986 53 7.5153986 8.5153986 54 7.1153986 7.5153986 55 5.3153986 7.1153986 56 4.1238406 5.3153986 57 5.3238406 4.1238406 58 4.1238406 5.3238406 59 -0.5761594 4.1238406 60 -3.7829348 -0.5761594 61 -7.9829348 -3.7829348 62 -11.8829348 -7.9829348 63 -4.9829348 -11.8829348 64 -2.5829348 -4.9829348 65 -3.5829348 -2.5829348 66 -5.9829348 -3.5829348 67 -3.7829348 -5.9829348 68 1.0255072 -3.7829348 69 -7.7744928 1.0255072 70 1.0255072 -7.7744928 71 0.3255072 1.0255072 72 1.1187319 0.3255072 73 2.9187319 1.1187319 74 2.0187319 2.9187319 75 0.9187319 2.0187319 76 -0.6812681 0.9187319 77 5.3187319 -0.6812681 78 1.9187319 5.3187319 79 4.1187319 1.9187319 80 2.9271739 4.1187319 81 0.1271739 2.9271739 82 -1.0728261 0.1271739 83 -0.7728261 -1.0728261 84 -2.9796014 -0.7728261 85 -0.1796014 -2.9796014 86 1.9203986 -0.1796014 87 -1.1796014 1.9203986 88 -6.7796014 -1.1796014 89 -6.7796014 -6.7796014 90 -6.1796014 -6.7796014 91 -4.9796014 -6.1796014 92 -10.1711594 -4.9796014 93 -2.9711594 -10.1711594 94 -4.1711594 -2.9711594 95 -0.8711594 -4.1711594 96 0.9220652 -0.8711594 97 -0.2779348 0.9220652 98 -2.1779348 -0.2779348 99 -1.2779348 -2.1779348 100 -2.8779348 -1.2779348 101 1.1220652 -2.8779348 102 1.7220652 1.1220652 103 1.9220652 1.7220652 104 0.7305072 1.9220652 105 5.9305072 0.7305072 106 4.7305072 5.9305072 107 -4.9694928 4.7305072 108 -0.1762681 -4.9694928 109 1.6237319 -0.1762681 110 0.7237319 1.6237319 111 3.6237319 0.7237319 112 4.0237319 3.6237319 113 3.0237319 4.0237319 114 1.6237319 3.0237319 115 0.8237319 1.6237319 116 -0.3678261 0.8237319 117 1.8321739 -0.3678261 118 -5.3678261 1.8321739 119 -2.0678261 -5.3678261 120 NA -2.0678261 > dum1 <- dum[2:length(myerror),] > dum1 lag(myerror, k = 1) myerror [1,] -2.4068478 -6.2068478 [2,] -2.3068478 -2.4068478 [3,] -1.4068478 -2.3068478 [4,] 0.9931522 -1.4068478 [5,] 0.9931522 0.9931522 [6,] -0.4068478 0.9931522 [7,] -1.2068478 -0.4068478 [8,] -3.3984058 -1.2068478 [9,] -7.1984058 -3.3984058 [10,] -2.3984058 -7.1984058 [11,] -3.0984058 -2.3984058 [12,] -0.3051812 -3.0984058 [13,] -3.5051812 -0.3051812 [14,] -3.4051812 -3.5051812 [15,] -3.5051812 -3.4051812 [16,] -3.1051812 -3.5051812 [17,] -13.1051812 -3.1051812 [18,] -4.5051812 -13.1051812 [19,] -6.3051812 -4.5051812 [20,] -2.4967391 -6.3051812 [21,] 0.7032609 -2.4967391 [22,] 3.5032609 0.7032609 [23,] 2.8032609 3.5032609 [24,] 1.5964855 2.8032609 [25,] 3.3964855 1.5964855 [26,] 6.4964855 3.3964855 [27,] 5.3964855 6.4964855 [28,] 6.7964855 5.3964855 [29,] 8.7964855 6.7964855 [30,] 7.3964855 8.7964855 [31,] 10.5964855 7.3964855 [32,] 3.4049275 10.5964855 [33,] 8.6049275 3.4049275 [34,] 8.4049275 8.6049275 [35,] 8.7049275 8.4049275 [36,] 4.4981522 8.7049275 [37,] -0.7018478 4.4981522 [38,] -0.6018478 -0.7018478 [39,] -4.7018478 -0.6018478 [40,] -4.3018478 -4.7018478 [41,] -3.3018478 -4.3018478 [42,] -2.7018478 -3.3018478 [43,] -6.5018478 -2.7018478 [44,] 4.2221739 -6.5018478 [45,] -4.5778261 4.2221739 [46,] -8.7778261 -4.5778261 [47,] 0.5221739 -8.7778261 [48,] 5.3153986 0.5221739 [49,] 7.1153986 5.3153986 [50,] 9.2153986 7.1153986 [51,] 7.1153986 9.2153986 [52,] 8.5153986 7.1153986 [53,] 7.5153986 8.5153986 [54,] 7.1153986 7.5153986 [55,] 5.3153986 7.1153986 [56,] 4.1238406 5.3153986 [57,] 5.3238406 4.1238406 [58,] 4.1238406 5.3238406 [59,] -0.5761594 4.1238406 [60,] -3.7829348 -0.5761594 [61,] -7.9829348 -3.7829348 [62,] -11.8829348 -7.9829348 [63,] -4.9829348 -11.8829348 [64,] -2.5829348 -4.9829348 [65,] -3.5829348 -2.5829348 [66,] -5.9829348 -3.5829348 [67,] -3.7829348 -5.9829348 [68,] 1.0255072 -3.7829348 [69,] -7.7744928 1.0255072 [70,] 1.0255072 -7.7744928 [71,] 0.3255072 1.0255072 [72,] 1.1187319 0.3255072 [73,] 2.9187319 1.1187319 [74,] 2.0187319 2.9187319 [75,] 0.9187319 2.0187319 [76,] -0.6812681 0.9187319 [77,] 5.3187319 -0.6812681 [78,] 1.9187319 5.3187319 [79,] 4.1187319 1.9187319 [80,] 2.9271739 4.1187319 [81,] 0.1271739 2.9271739 [82,] -1.0728261 0.1271739 [83,] -0.7728261 -1.0728261 [84,] -2.9796014 -0.7728261 [85,] -0.1796014 -2.9796014 [86,] 1.9203986 -0.1796014 [87,] -1.1796014 1.9203986 [88,] -6.7796014 -1.1796014 [89,] -6.7796014 -6.7796014 [90,] -6.1796014 -6.7796014 [91,] -4.9796014 -6.1796014 [92,] -10.1711594 -4.9796014 [93,] -2.9711594 -10.1711594 [94,] -4.1711594 -2.9711594 [95,] -0.8711594 -4.1711594 [96,] 0.9220652 -0.8711594 [97,] -0.2779348 0.9220652 [98,] -2.1779348 -0.2779348 [99,] -1.2779348 -2.1779348 [100,] -2.8779348 -1.2779348 [101,] 1.1220652 -2.8779348 [102,] 1.7220652 1.1220652 [103,] 1.9220652 1.7220652 [104,] 0.7305072 1.9220652 [105,] 5.9305072 0.7305072 [106,] 4.7305072 5.9305072 [107,] -4.9694928 4.7305072 [108,] -0.1762681 -4.9694928 [109,] 1.6237319 -0.1762681 [110,] 0.7237319 1.6237319 [111,] 3.6237319 0.7237319 [112,] 4.0237319 3.6237319 [113,] 3.0237319 4.0237319 [114,] 1.6237319 3.0237319 [115,] 0.8237319 1.6237319 [116,] -0.3678261 0.8237319 [117,] 1.8321739 -0.3678261 [118,] -5.3678261 1.8321739 [119,] -2.0678261 -5.3678261 > z <- as.data.frame(dum1) > z lag(myerror, k = 1) myerror 1 -2.4068478 -6.2068478 2 -2.3068478 -2.4068478 3 -1.4068478 -2.3068478 4 0.9931522 -1.4068478 5 0.9931522 0.9931522 6 -0.4068478 0.9931522 7 -1.2068478 -0.4068478 8 -3.3984058 -1.2068478 9 -7.1984058 -3.3984058 10 -2.3984058 -7.1984058 11 -3.0984058 -2.3984058 12 -0.3051812 -3.0984058 13 -3.5051812 -0.3051812 14 -3.4051812 -3.5051812 15 -3.5051812 -3.4051812 16 -3.1051812 -3.5051812 17 -13.1051812 -3.1051812 18 -4.5051812 -13.1051812 19 -6.3051812 -4.5051812 20 -2.4967391 -6.3051812 21 0.7032609 -2.4967391 22 3.5032609 0.7032609 23 2.8032609 3.5032609 24 1.5964855 2.8032609 25 3.3964855 1.5964855 26 6.4964855 3.3964855 27 5.3964855 6.4964855 28 6.7964855 5.3964855 29 8.7964855 6.7964855 30 7.3964855 8.7964855 31 10.5964855 7.3964855 32 3.4049275 10.5964855 33 8.6049275 3.4049275 34 8.4049275 8.6049275 35 8.7049275 8.4049275 36 4.4981522 8.7049275 37 -0.7018478 4.4981522 38 -0.6018478 -0.7018478 39 -4.7018478 -0.6018478 40 -4.3018478 -4.7018478 41 -3.3018478 -4.3018478 42 -2.7018478 -3.3018478 43 -6.5018478 -2.7018478 44 4.2221739 -6.5018478 45 -4.5778261 4.2221739 46 -8.7778261 -4.5778261 47 0.5221739 -8.7778261 48 5.3153986 0.5221739 49 7.1153986 5.3153986 50 9.2153986 7.1153986 51 7.1153986 9.2153986 52 8.5153986 7.1153986 53 7.5153986 8.5153986 54 7.1153986 7.5153986 55 5.3153986 7.1153986 56 4.1238406 5.3153986 57 5.3238406 4.1238406 58 4.1238406 5.3238406 59 -0.5761594 4.1238406 60 -3.7829348 -0.5761594 61 -7.9829348 -3.7829348 62 -11.8829348 -7.9829348 63 -4.9829348 -11.8829348 64 -2.5829348 -4.9829348 65 -3.5829348 -2.5829348 66 -5.9829348 -3.5829348 67 -3.7829348 -5.9829348 68 1.0255072 -3.7829348 69 -7.7744928 1.0255072 70 1.0255072 -7.7744928 71 0.3255072 1.0255072 72 1.1187319 0.3255072 73 2.9187319 1.1187319 74 2.0187319 2.9187319 75 0.9187319 2.0187319 76 -0.6812681 0.9187319 77 5.3187319 -0.6812681 78 1.9187319 5.3187319 79 4.1187319 1.9187319 80 2.9271739 4.1187319 81 0.1271739 2.9271739 82 -1.0728261 0.1271739 83 -0.7728261 -1.0728261 84 -2.9796014 -0.7728261 85 -0.1796014 -2.9796014 86 1.9203986 -0.1796014 87 -1.1796014 1.9203986 88 -6.7796014 -1.1796014 89 -6.7796014 -6.7796014 90 -6.1796014 -6.7796014 91 -4.9796014 -6.1796014 92 -10.1711594 -4.9796014 93 -2.9711594 -10.1711594 94 -4.1711594 -2.9711594 95 -0.8711594 -4.1711594 96 0.9220652 -0.8711594 97 -0.2779348 0.9220652 98 -2.1779348 -0.2779348 99 -1.2779348 -2.1779348 100 -2.8779348 -1.2779348 101 1.1220652 -2.8779348 102 1.7220652 1.1220652 103 1.9220652 1.7220652 104 0.7305072 1.9220652 105 5.9305072 0.7305072 106 4.7305072 5.9305072 107 -4.9694928 4.7305072 108 -0.1762681 -4.9694928 109 1.6237319 -0.1762681 110 0.7237319 1.6237319 111 3.6237319 0.7237319 112 4.0237319 3.6237319 113 3.0237319 4.0237319 114 1.6237319 3.0237319 115 0.8237319 1.6237319 116 -0.3678261 0.8237319 117 1.8321739 -0.3678261 118 -5.3678261 1.8321739 119 -2.0678261 -5.3678261 > 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/html/freestat/rcomp/tmp/7a7ni1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > acf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Autocorrelation Function') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/8mv281229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > pacf(mysum$resid, lag.max=length(mysum$resid)/2, main='Residual Partial Autocorrelation Function') > grid() > dev.off() null device 1 > postscript(file="/var/www/html/freestat/rcomp/tmp/9h8ee1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > opar <- par(mfrow = c(2,2), oma = c(0, 0, 1.1, 0)) > plot(mylm, las = 1, sub='Residual Diagnostics') > par(opar) > dev.off() null device 1 > if (n > n25) { + postscript(file="/var/www/html/freestat/rcomp/tmp/1058it1229608918.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) + plot(kp3:nmkm3,gqarr[,2], main='Goldfeld-Quandt test',ylab='2-sided p-value',xlab='breakpoint') + grid() + dev.off() + } null device 1 > > #Note: the /var/www/html/freestat/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/freestat/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a, 'Multiple Linear Regression - Estimated Regression Equation', 1, TRUE) > a<-table.row.end(a) > myeq <- colnames(x)[1] > myeq <- paste(myeq, '[t] = ', sep='') > for (i in 1:k){ + if (mysum$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/html/freestat/rcomp/tmp/11ib4n1229608918.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/html/freestat/rcomp/tmp/12xga01229608918.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/html/freestat/rcomp/tmp/13br7m1229608918.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/html/freestat/rcomp/tmp/14fsu71229608918.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/html/freestat/rcomp/tmp/15u2z81229608918.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/html/freestat/rcomp/tmp/16g8a51229608918.tab") + } > > system("convert tmp/1ew3u1229608918.ps tmp/1ew3u1229608918.png") > system("convert tmp/24gid1229608918.ps tmp/24gid1229608918.png") > system("convert tmp/3bklt1229608918.ps tmp/3bklt1229608918.png") > system("convert tmp/4m03h1229608918.ps tmp/4m03h1229608918.png") > system("convert tmp/5c2p21229608918.ps tmp/5c2p21229608918.png") > system("convert tmp/6l4cz1229608918.ps tmp/6l4cz1229608918.png") > system("convert tmp/7a7ni1229608918.ps tmp/7a7ni1229608918.png") > system("convert tmp/8mv281229608918.ps tmp/8mv281229608918.png") > system("convert tmp/9h8ee1229608918.ps tmp/9h8ee1229608918.png") > system("convert tmp/1058it1229608918.ps tmp/1058it1229608918.png") > > > proc.time() user system elapsed 4.656 2.598 5.159