R version 2.12.2 (2011-02-25) Copyright (C) 2011 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: x86_64-redhat-linux-gnu (64-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. Natural language support but running in an English locale R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. > x <- c(41086,39690,43129,37863,35953,29133,24693,22205,21725,27192,21790,13253,37702,30364,32609,30212,29965,28352,25814,22414,20506,28806,22228,13971,36845,35338,35022,34777,26887,23970,22780,17351,21382,24561,17409,11514,31514,27071,29462,26105,22397,23843,21705,18089,20764,25316,17704,15548,28029,29383,36438,32034,22679,24319,18004,17537,20366,22782,19169,13807,29743,25591,29096,26482,22405,27044,17970,18730,19684,19785,18479,10698) > par1 = '72' > #'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!) > par1 <- as.numeric(par1) > (n <- length(x)) [1] 72 > (np <- floor(n / par1)) [1] 1 > arr <- array(NA,dim=c(par1,np+1)) > darr <- array(NA,dim=c(par1,np+1)) > ari <- array(0,dim=par1) > dx <- diff(x) > j <- 0 > for (i in 1:n) + { + j = j + 1 + ari[j] = ari[j] + 1 + arr[j,ari[j]] <- x[i] + darr[j,ari[j]] <- dx[i] + if (j == par1) j = 0 + } > ari [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 [39] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 > arr [,1] [,2] [1,] 41086 NA [2,] 39690 NA [3,] 43129 NA [4,] 37863 NA [5,] 35953 NA [6,] 29133 NA [7,] 24693 NA [8,] 22205 NA [9,] 21725 NA [10,] 27192 NA [11,] 21790 NA [12,] 13253 NA [13,] 37702 NA [14,] 30364 NA [15,] 32609 NA [16,] 30212 NA [17,] 29965 NA [18,] 28352 NA [19,] 25814 NA [20,] 22414 NA [21,] 20506 NA [22,] 28806 NA [23,] 22228 NA [24,] 13971 NA [25,] 36845 NA [26,] 35338 NA [27,] 35022 NA [28,] 34777 NA [29,] 26887 NA [30,] 23970 NA [31,] 22780 NA [32,] 17351 NA [33,] 21382 NA [34,] 24561 NA [35,] 17409 NA [36,] 11514 NA [37,] 31514 NA [38,] 27071 NA [39,] 29462 NA [40,] 26105 NA [41,] 22397 NA [42,] 23843 NA [43,] 21705 NA [44,] 18089 NA [45,] 20764 NA [46,] 25316 NA [47,] 17704 NA [48,] 15548 NA [49,] 28029 NA [50,] 29383 NA [51,] 36438 NA [52,] 32034 NA [53,] 22679 NA [54,] 24319 NA [55,] 18004 NA [56,] 17537 NA [57,] 20366 NA [58,] 22782 NA [59,] 19169 NA [60,] 13807 NA [61,] 29743 NA [62,] 25591 NA [63,] 29096 NA [64,] 26482 NA [65,] 22405 NA [66,] 27044 NA [67,] 17970 NA [68,] 18730 NA [69,] 19684 NA [70,] 19785 NA [71,] 18479 NA [72,] 10698 NA > darr [,1] [,2] [1,] -1396 NA [2,] 3439 NA [3,] -5266 NA [4,] -1910 NA [5,] -6820 NA [6,] -4440 NA [7,] -2488 NA [8,] -480 NA [9,] 5467 NA [10,] -5402 NA [11,] -8537 NA [12,] 24449 NA [13,] -7338 NA [14,] 2245 NA [15,] -2397 NA [16,] -247 NA [17,] -1613 NA [18,] -2538 NA [19,] -3400 NA [20,] -1908 NA [21,] 8300 NA [22,] -6578 NA [23,] -8257 NA [24,] 22874 NA [25,] -1507 NA [26,] -316 NA [27,] -245 NA [28,] -7890 NA [29,] -2917 NA [30,] -1190 NA [31,] -5429 NA [32,] 4031 NA [33,] 3179 NA [34,] -7152 NA [35,] -5895 NA [36,] 20000 NA [37,] -4443 NA [38,] 2391 NA [39,] -3357 NA [40,] -3708 NA [41,] 1446 NA [42,] -2138 NA [43,] -3616 NA [44,] 2675 NA [45,] 4552 NA [46,] -7612 NA [47,] -2156 NA [48,] 12481 NA [49,] 1354 NA [50,] 7055 NA [51,] -4404 NA [52,] -9355 NA [53,] 1640 NA [54,] -6315 NA [55,] -467 NA [56,] 2829 NA [57,] 2416 NA [58,] -3613 NA [59,] -5362 NA [60,] 15936 NA [61,] -4152 NA [62,] 3505 NA [63,] -2614 NA [64,] -4077 NA [65,] 4639 NA [66,] -9074 NA [67,] 760 NA [68,] 954 NA [69,] 101 NA [70,] -1306 NA [71,] -7781 NA [72,] NA NA > arr.mean <- array(NA,dim=par1) > arr.median <- array(NA,dim=par1) > arr.midrange <- array(NA,dim=par1) > for (j in 1:par1) + { + arr.mean[j] <- mean(arr[j,],na.rm=TRUE) + arr.median[j] <- median(arr[j,],na.rm=TRUE) + arr.midrange[j] <- (quantile(arr[j,],0.75,na.rm=TRUE) + quantile(arr[j,],0.25,na.rm=TRUE)) / 2 + } > overall.mean <- mean(x) > overall.median <- median(x) > overall.midrange <- (quantile(x,0.75) + quantile(x,0.25)) / 2 > postscript(file="/var/www/wessaorg/rcomp/tmp/1e8il1305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.mean,type='b',ylab='mean',main='Mean Plot',xlab='Periodic Index') > mtext(paste('#blocks = ',np)) > abline(overall.mean,0) > dev.off() null device 1 > postscript(file="/var/www/wessaorg/rcomp/tmp/2a2j51305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.median,type='b',ylab='median',main='Median Plot',xlab='Periodic Index') > mtext(paste('#blocks = ',np)) > abline(overall.median,0) > dev.off() null device 1 > postscript(file="/var/www/wessaorg/rcomp/tmp/3inc11305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.midrange,type='b',ylab='midrange',main='Midrange Plot',xlab='Periodic Index') > mtext(paste('#blocks = ',np)) > abline(overall.midrange,0) > dev.off() null device 1 > postscript(file="/var/www/wessaorg/rcomp/tmp/4lnm11305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > z <- data.frame(t(arr)) > names(z) <- c(1:par1) > (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries')) $stats [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [1,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [2,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [3,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [4,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [5,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [,13] [,14] [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22] [,23] [,24] [1,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [2,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [3,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [4,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [5,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [,25] [,26] [,27] [,28] [,29] [,30] [,31] [,32] [,33] [,34] [,35] [,36] [1,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [2,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [3,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [4,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [5,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [,37] [,38] [,39] [,40] [,41] [,42] [,43] [,44] [,45] [,46] [,47] [,48] [1,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [2,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [3,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [4,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [5,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [,49] [,50] [,51] [,52] [,53] [,54] [,55] [,56] [,57] [,58] [,59] [,60] [1,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [2,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [3,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [4,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [5,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [,61] [,62] [,63] [,64] [,65] [,66] [,67] [,68] [,69] [,70] [,71] [,72] [1,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 [2,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 [3,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 [4,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 [5,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 $n [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 [39] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 $conf [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [1,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [2,] 41086 39690 43129 37863 35953 29133 24693 22205 21725 27192 21790 13253 [,13] [,14] [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22] [,23] [,24] [1,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [2,] 37702 30364 32609 30212 29965 28352 25814 22414 20506 28806 22228 13971 [,25] [,26] [,27] [,28] [,29] [,30] [,31] [,32] [,33] [,34] [,35] [,36] [1,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [2,] 36845 35338 35022 34777 26887 23970 22780 17351 21382 24561 17409 11514 [,37] [,38] [,39] [,40] [,41] [,42] [,43] [,44] [,45] [,46] [,47] [,48] [1,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [2,] 31514 27071 29462 26105 22397 23843 21705 18089 20764 25316 17704 15548 [,49] [,50] [,51] [,52] [,53] [,54] [,55] [,56] [,57] [,58] [,59] [,60] [1,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [2,] 28029 29383 36438 32034 22679 24319 18004 17537 20366 22782 19169 13807 [,61] [,62] [,63] [,64] [,65] [,66] [,67] [,68] [,69] [,70] [,71] [,72] [1,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 [2,] 29743 25591 29096 26482 22405 27044 17970 18730 19684 19785 18479 10698 $out numeric(0) $group numeric(0) $names [1] "1" "2" "3" "4" "5" "6" "7" "8" "9" "10" "11" "12" "13" "14" "15" [16] "16" "17" "18" "19" "20" "21" "22" "23" "24" "25" "26" "27" "28" "29" "30" [31] "31" "32" "33" "34" "35" "36" "37" "38" "39" "40" "41" "42" "43" "44" "45" [46] "46" "47" "48" "49" "50" "51" "52" "53" "54" "55" "56" "57" "58" "59" "60" [61] "61" "62" "63" "64" "65" "66" "67" "68" "69" "70" "71" "72" > dev.off() null device 1 > postscript(file="/var/www/wessaorg/rcomp/tmp/5g54e1305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > z <- data.frame(t(darr)) > names(z) <- c(1:par1) > (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Differenced Periodic Subseries')) $stats [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [1,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [2,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [3,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [4,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [5,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [,14] [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22] [,23] [,24] [,25] [1,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [2,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [3,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [4,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [5,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [,26] [,27] [,28] [,29] [,30] [,31] [,32] [,33] [,34] [,35] [,36] [,37] [1,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [2,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [3,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [4,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [5,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [,38] [,39] [,40] [,41] [,42] [,43] [,44] [,45] [,46] [,47] [,48] [,49] [1,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [2,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [3,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [4,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [5,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [,50] [,51] [,52] [,53] [,54] [,55] [,56] [,57] [,58] [,59] [,60] [,61] [1,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [2,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [3,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [4,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [5,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [,62] [,63] [,64] [,65] [,66] [,67] [,68] [,69] [,70] [,71] [,72] [1,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA [2,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA [3,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA [4,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA [5,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA $n [1] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 [39] 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 $conf [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [1,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [2,] -1396 3439 -5266 -1910 -6820 -4440 -2488 -480 5467 -5402 -8537 24449 -7338 [,14] [,15] [,16] [,17] [,18] [,19] [,20] [,21] [,22] [,23] [,24] [,25] [1,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [2,] 2245 -2397 -247 -1613 -2538 -3400 -1908 8300 -6578 -8257 22874 -1507 [,26] [,27] [,28] [,29] [,30] [,31] [,32] [,33] [,34] [,35] [,36] [,37] [1,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [2,] -316 -245 -7890 -2917 -1190 -5429 4031 3179 -7152 -5895 20000 -4443 [,38] [,39] [,40] [,41] [,42] [,43] [,44] [,45] [,46] [,47] [,48] [,49] [1,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [2,] 2391 -3357 -3708 1446 -2138 -3616 2675 4552 -7612 -2156 12481 1354 [,50] [,51] [,52] [,53] [,54] [,55] [,56] [,57] [,58] [,59] [,60] [,61] [1,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [2,] 7055 -4404 -9355 1640 -6315 -467 2829 2416 -3613 -5362 15936 -4152 [,62] [,63] [,64] [,65] [,66] [,67] [,68] [,69] [,70] [,71] [,72] [1,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA [2,] 3505 -2614 -4077 4639 -9074 760 954 101 -1306 -7781 NA $out numeric(0) $group numeric(0) $names [1] "1" "2" "3" "4" "5" "6" "7" "8" "9" "10" "11" "12" "13" "14" "15" [16] "16" "17" "18" "19" "20" "21" "22" "23" "24" "25" "26" "27" "28" "29" "30" [31] "31" "32" "33" "34" "35" "36" "37" "38" "39" "40" "41" "42" "43" "44" "45" [46] "46" "47" "48" "49" "50" "51" "52" "53" "54" "55" "56" "57" "58" "59" "60" [61] "61" "62" "63" "64" "65" "66" "67" "68" "69" "70" "71" "72" > dev.off() null device 1 > postscript(file="/var/www/wessaorg/rcomp/tmp/6eom51305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > z <- data.frame(arr) > names(z) <- c(1:np) > (boxplot(z,notch=TRUE,col='grey',xlab='Block Index',ylab='Value',main='Notched Box Plots - Sequential Blocks')) $stats [,1] [,2] [1,] 10698.0 NA [2,] 20075.5 NA [3,] 24440.0 NA [4,] 29602.5 NA [5,] 43129.0 NA $n [1] 72 0 $conf [,1] [,2] [1,] 22666.03 NA [2,] 26213.97 NA $out numeric(0) $group numeric(0) $names [1] "1" NA > dev.off() null device 1 > postscript(file="/var/www/wessaorg/rcomp/tmp/7ua4j1305861211.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > z <- data.frame(cbind(arr.mean,arr.median,arr.midrange)) > names(z) <- list('mean','median','midrange') > (boxplot(z,notch=TRUE,col='grey',ylab='Overall Central Tendency',main='Notched Box Plots')) $stats [,1] [,2] [,3] [1,] 10698.0 10698.0 10698.0 [2,] 20075.5 20075.5 20075.5 [3,] 24440.0 24440.0 24440.0 [4,] 29602.5 29602.5 29602.5 [5,] 43129.0 43129.0 43129.0 $n [1] 72 72 72 $conf [,1] [,2] [,3] [1,] 22666.03 22666.03 22666.03 [2,] 26213.97 26213.97 26213.97 $out numeric(0) $group numeric(0) $names [1] "mean" "median" "midrange" > dev.off() null device 1 > > try(system("convert tmp/1e8il1305861211.ps tmp/1e8il1305861211.png",intern=TRUE)) character(0) > try(system("convert tmp/2a2j51305861211.ps tmp/2a2j51305861211.png",intern=TRUE)) character(0) > try(system("convert tmp/3inc11305861211.ps tmp/3inc11305861211.png",intern=TRUE)) character(0) > try(system("convert tmp/4lnm11305861211.ps tmp/4lnm11305861211.png",intern=TRUE)) character(0) > try(system("convert tmp/5g54e1305861211.ps tmp/5g54e1305861211.png",intern=TRUE)) character(0) > try(system("convert tmp/6eom51305861211.ps tmp/6eom51305861211.png",intern=TRUE)) character(0) > try(system("convert tmp/7ua4j1305861211.ps tmp/7ua4j1305861211.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 4.750 0.550 5.371