R version 2.7.2 (2008-08-25) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 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. 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 <- array(list(106.60 + ,0.33 + ,1.00 + ,526.4 + ,106.80 + ,0.33 + ,1.04 + ,526.4 + ,107.00 + ,0.32 + ,1.02 + ,526.4 + ,107.10 + ,0.33 + ,1.07 + ,526.4 + ,107.30 + ,0.34 + ,1.12 + ,526.4 + ,107.40 + ,0.36 + ,1.08 + ,526.4 + ,107.60 + ,0.34 + ,1.02 + ,542.9 + ,107.70 + ,0.33 + ,1.01 + ,542.9 + ,107.90 + ,0.35 + ,1.04 + ,542.9 + ,108.20 + ,0.31 + ,0.98 + ,542.9 + ,108.30 + ,0.28 + ,0.95 + ,542.9 + ,108.50 + ,0.26 + ,0.94 + ,542.9 + ,108.92 + ,0.26 + ,0.94 + ,556.11 + ,109.23 + ,0.26 + ,0.96 + ,556.11 + ,109.41 + ,0.29 + ,0.97 + ,556.11 + ,109.65 + ,0.30 + ,1.03 + ,556.11 + ,109.91 + ,0.30 + ,1.01 + ,556.11 + ,110.01 + ,0.28 + ,0.99 + ,556.11 + ,110.20 + ,0.29 + ,1.00 + ,557.07 + ,110.49 + ,0.29 + ,1.00 + ,557.07 + ,110.57 + ,0.32 + ,1.02 + ,557.07 + ,110.72 + ,0.33 + ,1.01 + ,557.07 + ,110.94 + ,0.29 + ,0.99 + ,557.07 + ,111.09 + ,0.31 + ,0.98 + ,557.07 + ,111.28 + ,0.33 + ,1.01 + ,564.29 + ,111.41 + ,0.36 + ,1.03 + ,564.29 + ,111.62 + ,0.39 + ,1.03 + ,564.29 + ,111.76 + ,0.30 + ,1.00 + ,564.29 + ,111.89 + ,0.27 + ,0.96 + ,564.29 + ,112.04 + ,0.28 + ,0.97 + ,564.29 + ,112.12 + ,0.29 + ,0.98 + ,569 + ,112.30 + ,0.30 + ,1.02 + ,569 + ,112.47 + ,0.30 + ,1.04 + ,569 + ,112.59 + ,0.30 + ,1.01 + ,569 + ,112.78 + ,0.31 + ,1.01 + ,569 + ,112.73 + ,0.30 + ,1.00 + ,569 + ,112.99 + ,0.31 + ,1.01 + ,575 + ,113.10 + ,0.29 + ,1.02 + ,575 + ,113.33 + ,0.32 + ,1.03 + ,575 + ,113.38 + ,0.33 + ,1.06 + ,575 + ,113.68 + ,0.35 + ,1.12 + ,575 + ,113.65 + ,0.35 + ,1.12 + ,575 + ,113.81 + ,0.36 + ,1.13 + ,594.51 + ,113.88 + ,0.40 + ,1.13 + ,594.51 + ,114.02 + ,0.40 + ,1.13 + ,594.51 + ,114.25 + ,0.47 + ,1.17 + ,594.51 + ,114.28 + ,0.43 + ,1.14 + ,594.51 + ,114.38 + ,0.38 + ,1.08 + ,594.51 + ,114.73 + ,0.38 + ,1.07 + ,603.88 + ,114.97 + ,0.40 + ,1.12 + ,603.88 + ,115.05 + ,0.45 + ,1.14 + ,603.88 + ,115.29 + ,0.47 + ,1.21 + ,603.88 + ,115.37 + ,0.45 + ,1.20 + ,603.88 + ,115.54 + ,0.50 + ,1.23 + ,603.88 + ,115.76 + ,0.54 + ,1.29 + ,610.02 + ,115.92 + ,0.55 + ,1.31 + ,610.02 + ,116.02 + ,0.59 + ,1.37 + ,610.02 + ,116.21 + ,0.51 + ,1.35 + ,610.02 + ,116.26 + ,0.50 + ,1.26 + ,610.02 + ,116.51 + ,0.50 + ,1.26 + ,610.02 + ,106.60 + ,0.33 + ,1.00 + ,526.4 + ,106.80 + ,0.33 + ,1.04 + ,526.4 + ,107.00 + ,0.32 + ,1.02 + ,526.4 + ,107.10 + ,0.33 + ,1.07 + ,526.4 + ,107.30 + ,0.34 + ,1.12 + ,526.4 + ,107.40 + ,0.36 + ,1.08 + ,526.4 + ,107.60 + ,0.34 + ,1.02 + ,542.9 + ,107.70 + ,0.33 + ,1.01 + ,542.9 + ,107.90 + ,0.35 + ,1.04 + ,542.9 + ,108.20 + ,0.31 + ,0.98 + ,542.9 + ,108.30 + ,0.28 + ,0.95 + ,542.9 + ,108.50 + ,0.26 + ,0.94 + ,542.9 + ,108.92 + ,0.26 + ,0.94 + ,556.11 + ,109.23 + ,0.26 + ,0.96 + ,556.11 + ,109.41 + ,0.29 + ,0.97 + ,556.11 + ,109.65 + ,0.30 + ,1.03 + ,556.11 + ,109.91 + ,0.30 + ,1.01 + ,556.11 + ,110.01 + ,0.28 + ,0.99 + ,556.11 + ,110.20 + ,0.29 + ,1.00 + ,557.07 + ,110.49 + ,0.29 + ,1.00 + ,557.07 + ,110.57 + ,0.32 + ,1.02 + ,557.07 + ,110.72 + ,0.33 + ,1.01 + ,557.07 + ,110.94 + ,0.29 + ,0.99 + ,557.07 + ,111.09 + ,0.31 + ,0.98 + ,557.07 + ,111.28 + ,0.33 + ,1.01 + ,564.29 + ,111.41 + ,0.36 + ,1.03 + ,564.29 + ,111.62 + ,0.39 + ,1.03 + ,564.29 + ,111.76 + ,0.30 + ,1.00 + ,564.29 + ,111.89 + ,0.27 + ,0.96 + ,564.29 + ,112.04 + ,0.28 + ,0.97 + ,564.29 + ,112.12 + ,0.29 + ,0.98 + ,569 + ,112.30 + ,0.30 + ,1.02 + ,569 + ,112.47 + ,0.30 + ,1.04 + ,569 + ,112.59 + ,0.30 + ,1.01 + ,569 + ,112.78 + ,0.31 + ,1.01 + ,569 + ,112.73 + ,0.30 + ,1.00 + ,569 + ,112.99 + ,0.31 + ,1.01 + ,575 + ,113.10 + ,0.29 + ,1.02 + ,575 + ,113.33 + ,0.32 + ,1.03 + ,575 + ,113.38 + ,0.33 + ,1.06 + ,575 + ,113.68 + ,0.35 + ,1.12 + ,575 + ,113.65 + ,0.35 + ,1.12 + ,575 + ,113.81 + ,0.36 + ,1.13 + ,594.51 + ,113.88 + ,0.40 + ,1.13 + ,594.51 + ,114.02 + ,0.40 + ,1.13 + ,594.51 + ,114.25 + ,0.47 + ,1.17 + ,594.51 + ,114.28 + ,0.43 + ,1.14 + ,594.51 + ,114.38 + ,0.38 + ,1.08 + ,594.51 + ,114.73 + ,0.38 + ,1.07 + ,603.88 + ,114.97 + ,0.40 + ,1.12 + ,603.88 + ,115.05 + ,0.45 + ,1.14 + ,603.88 + ,115.29 + ,0.47 + ,1.21 + ,603.88 + ,115.37 + ,0.45 + ,1.20 + ,603.88 + ,115.54 + ,0.50 + ,1.23 + ,603.88 + ,115.76 + ,0.54 + ,1.29 + ,610.02 + ,115.92 + ,0.55 + ,1.31 + ,610.02 + ,116.02 + ,0.59 + ,1.37 + ,610.02 + ,116.21 + ,0.51 + ,1.35 + ,610.02 + ,116.26 + ,0.50 + ,1.26 + ,610.02 + ,116.51 + ,0.50 + ,1.26 + ,610.02) + ,dim=c(4 + ,120) + ,dimnames=list(c('Huurhuis' + ,'Gasolie' + ,'Benzine' + ,'Brandverzekering') + ,1:120)) > y <- array(NA,dim=c(4,120),dimnames=list(c('Huurhuis','Gasolie','Benzine','Brandverzekering'),1:120)) > for (i in 1:dim(x)[1]) + { + for (j in 1:dim(x)[2]) + { + y[i,j] <- as.numeric(x[i,j]) + } + } > par4 = 'FALSE' > par3 = 'FALSE' > par2 = 'ALL' > par1 = 'ward' > ylab = 'height' > xlab = 'cases' > main = 'Dendrogram' > #'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!) > par3 <- as.logical(par3) > par4 <- as.logical(par4) > if (par3 == 'TRUE'){ + dum = xlab + xlab = ylab + ylab = dum + } > x <- t(y) > hc <- hclust(dist(x),method=par1) > d <- as.dendrogram(hc) > str(d) --[dendrogram w/ 2 branches and 120 members at h = 1772] |--[dendrogram w/ 2 branches and 36 members at h = 173] | |--[dendrogram w/ 2 branches and 12 members at h = 1.90] | | |--[dendrogram w/ 2 branches and 6 members at h = 0.373] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "48" | | | | `--leaf "108" | | | `--[dendrogram w/ 2 branches and 4 members at h = 0.117] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "46" | | | | `--leaf "106" | | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "47" | | | `--leaf "107" | | `--[dendrogram w/ 2 branches and 6 members at h = 0.418] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "45" | | | `--leaf "105" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.161] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "43" | | | `--leaf "103" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "44" | | `--leaf "104" | `--[dendrogram w/ 2 branches and 24 members at h = 71.1] | |--[dendrogram w/ 2 branches and 12 members at h = 1.81] | | |--[dendrogram w/ 2 branches and 6 members at h = 0.502] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "55" | | | | `--leaf "115" | | | `--[dendrogram w/ 2 branches and 4 members at h = 0.247] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "56" | | | | `--leaf "116" | | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "57" | | | `--leaf "117" | | `--[dendrogram w/ 2 branches and 6 members at h = 0.682] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "60" | | | `--leaf "120" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.207] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "58" | | | `--leaf "118" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "59" | | `--leaf "119" | `--[dendrogram w/ 2 branches and 12 members at h = 2.2] | |--[dendrogram w/ 2 branches and 6 members at h = 0.521] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "54" | | | `--leaf "114" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.166] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "52" | | | `--leaf "112" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "53" | | `--leaf "113" | `--[dendrogram w/ 2 branches and 6 members at h = 0.71] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "49" | | `--leaf "109" | `--[dendrogram w/ 2 branches and 4 members at h = 0.193] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "50" | | `--leaf "110" | `--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "51" | `--leaf "111" `--[dendrogram w/ 2 branches and 84 members at h = 741] |--[dendrogram w/ 2 branches and 24 members at h = 194] | |--[dendrogram w/ 2 branches and 12 members at h = 1.93] | | |--[dendrogram w/ 2 branches and 4 members at h = 0.408] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "1" | | | | `--leaf "61" | | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "2" | | | `--leaf "62" | | `--[dendrogram w/ 2 branches and 8 members at h = 1.01] | | |--[dendrogram w/ 2 branches and 4 members at h = 0.219] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "5" | | | | `--leaf "65" | | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "6" | | | `--leaf "66" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.224] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "3" | | | `--leaf "63" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "4" | | `--leaf "64" | `--[dendrogram w/ 2 branches and 12 members at h = 2.83] | |--[dendrogram w/ 2 branches and 6 members at h = 0.605] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "9" | | | `--leaf "69" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.202] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "7" | | | `--leaf "67" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "8" | | `--leaf "68" | `--[dendrogram w/ 2 branches and 6 members at h = 0.605] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "12" | | `--leaf "72" | `--[dendrogram w/ 2 branches and 4 members at h = 0.217] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "10" | | `--leaf "70" | `--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "11" | `--leaf "71" `--[dendrogram w/ 2 branches and 60 members at h = 292] |--[dendrogram w/ 2 branches and 24 members at h = 13.8] | |--[dendrogram w/ 2 branches and 12 members at h = 2.03] | | |--[dendrogram w/ 2 branches and 4 members at h = 0.303] | | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | | |--leaf "23" | | | | `--leaf "83" | | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "24" | | | `--leaf "84" | | `--[dendrogram w/ 2 branches and 8 members at h = 1.03] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "19" | | | `--leaf "79" | | `--[dendrogram w/ 2 branches and 6 members at h = 0.454] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "22" | | | `--leaf "82" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.175] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "20" | | | `--leaf "80" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "21" | | `--leaf "81" | `--[dendrogram w/ 2 branches and 12 members at h = 2.9] | |--[dendrogram w/ 2 branches and 6 members at h = 0.762] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "16" | | | `--leaf "76" | | `--[dendrogram w/ 2 branches and 4 members at h = 0.208] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "17" | | | `--leaf "77" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "18" | | `--leaf "78" | `--[dendrogram w/ 2 branches and 6 members at h = 0.948] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "13" | | `--leaf "73" | `--[dendrogram w/ 2 branches and 4 members at h = 0.366] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "14" | | `--leaf "74" | `--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "15" | `--leaf "75" `--[dendrogram w/ 2 branches and 36 members at h = 113] |--[dendrogram w/ 2 branches and 12 members at h = 2.02] | |--[dendrogram w/ 2 branches and 4 members at h = 0.06] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "41" | | | `--leaf "101" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "42" | | `--leaf "102" | `--[dendrogram w/ 2 branches and 8 members at h = 1.08] | |--[dendrogram w/ 2 branches and 4 members at h = 0.118] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "39" | | | `--leaf "99" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "40" | | `--leaf "100" | `--[dendrogram w/ 2 branches and 4 members at h = 0.224] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "37" | | `--leaf "97" | `--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "38" | `--leaf "98" `--[dendrogram w/ 2 branches and 24 members at h = 54.1] |--[dendrogram w/ 2 branches and 12 members at h = 1.71] | |--[dendrogram w/ 2 branches and 4 members at h = 0.369] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "31" | | | `--leaf "91" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "32" | | `--leaf "92" | `--[dendrogram w/ 2 branches and 8 members at h = 0.73] | |--[dendrogram w/ 2 branches and 4 members at h = 0.104] | | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | | |--leaf "35" | | | `--leaf "95" | | `--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "36" | | `--leaf "96" | `--[dendrogram w/ 2 branches and 4 members at h = 0.247] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "33" | | `--leaf "93" | `--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "34" | `--leaf "94" `--[dendrogram w/ 2 branches and 12 members at h = 1.99] |--[dendrogram w/ 2 branches and 6 members at h = 0.484] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "30" | | `--leaf "90" | `--[dendrogram w/ 2 branches and 4 members at h = 0.279] | |--[dendrogram w/ 2 branches and 2 members at h = 0] | | |--leaf "28" | | `--leaf "88" | `--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "29" | `--leaf "89" `--[dendrogram w/ 2 branches and 6 members at h = 0.654] |--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "27" | `--leaf "87" `--[dendrogram w/ 2 branches and 4 members at h = 0.27] |--[dendrogram w/ 2 branches and 2 members at h = 0] | |--leaf "25" | `--leaf "85" `--[dendrogram w/ 2 branches and 2 members at h = 0] |--leaf "26" `--leaf "86" > mysub <- paste('Method: ',par1) > postscript(file="/var/www/html/rcomp/tmp/1bgus1226160961.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > if (par4 == 'TRUE'){ + plot(d,main=main,ylab=ylab,xlab=xlab,horiz=par3, nodePar=list(pch = c(1,NA), cex=0.8, lab.cex = 0.8),type='t',center=T, sub=mysub) + } else { + plot(d,main=main,ylab=ylab,xlab=xlab,horiz=par3, nodePar=list(pch = c(1,NA), cex=0.8, lab.cex = 0.8), sub=mysub) + } > dev.off() null device 1 > if (par2 != 'ALL'){ + if (par3 == 'TRUE'){ + ylab = 'cluster' + } else { + xlab = 'cluster' + } + par2 <- as.numeric(par2) + memb <- cutree(hc, k = par2) + cent <- NULL + for(k in 1:par2){ + cent <- rbind(cent, colMeans(x[memb == k, , drop = FALSE])) + } + hc1 <- hclust(dist(cent),method=par1, members = table(memb)) + de <- as.dendrogram(hc1) + postscript(file="/var/www/html/rcomp/tmp/2tf7g1226160961.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) + if (par4 == 'TRUE'){ + plot(de,main=main,ylab=ylab,xlab=xlab,horiz=par3, nodePar=list(pch = c(1,NA), cex=0.8, lab.cex = 0.8),type='t',center=T, sub=mysub) + } else { + plot(de,main=main,ylab=ylab,xlab=xlab,horiz=par3, nodePar=list(pch = c(1,NA), cex=0.8, lab.cex = 0.8), sub=mysub) + } + dev.off() + str(de) + } > > #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/www/html/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Summary of Dendrogram',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Label',header=TRUE) > a<-table.element(a,'Height',header=TRUE) > a<-table.row.end(a) > num <- length(x[,1])-1 > for (i in 1:num) + { + a<-table.row.start(a) + a<-table.element(a,hc$labels[i]) + a<-table.element(a,hc$height[i]) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/www/html/rcomp/tmp/3go6y1226160961.tab") > if (par2 != 'ALL'){ + a<-table.start() + a<-table.row.start(a) + a<-table.element(a,'Summary of Cut Dendrogram',2,TRUE) + a<-table.row.end(a) + a<-table.row.start(a) + a<-table.element(a,'Label',header=TRUE) + a<-table.element(a,'Height',header=TRUE) + a<-table.row.end(a) + num <- par2-1 + for (i in 1:num) + { + a<-table.row.start(a) + a<-table.element(a,i) + a<-table.element(a,hc1$height[i]) + a<-table.row.end(a) + } + a<-table.end(a) + table.save(a,file="/var/www/html/rcomp/tmp/4aher1226160961.tab") + } > > system("convert tmp/1bgus1226160961.ps tmp/1bgus1226160961.png") > system("convert tmp/2tf7g1226160961.ps tmp/2tf7g1226160961.png") convert: unable to open image `tmp/2tf7g1226160961.ps': No such file or directory. convert: missing an image filename `tmp/2tf7g1226160961.png'. > > > proc.time() user system elapsed 1.151 0.282 2.972