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Type 'q()' to quit R. > x <- c(1095,1085,1075,1054,1261,1250,1095,992,1002,1002,1013,1033,1095,1075,1106,1157,1447,1447,1385,1323,1374,1436,1447,1478,1571,1509,1509,1602,1860,1881,1829,1705,1798,1798,1808,1860,1901,1922,1922,1984,2222,2284,2294,2139,2222,2191,2129,2263,2294,2242,2253,2325,2594,2728,2728,2666,2759,2666,2614,2811,2842,2769,2955,3028,3245,3389,3369,3358,3441,3431,3307,3493,3555,3493,3751,3875,4164,4278,4247,4185,4237,4299,4092,4257,4361,4319,4588,4681,5074,5146,5053,5105,5136,5167,4970,5156,5259,5156,5456,5549,5952,6014,6034,6138,6138,6179,5993,6086,6148,6034,6365,6427,6840,6913,7016,7109,7119,7130,6944,7130) > par1 = '12' > par1 <- '12' > #'GNU S' R Code compiled by R2WASP v. 1.2.291 () > #Author: root > #To cite this work: Wessa P. (2012), Standard Deviation-Mean Plot (v1.0.6) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_smp.wasp/ > #Source of accompanying publication: Office for Research, Development, and Education > # > par1 <- as.numeric(par1) > (n <- length(x)) [1] 120 > (np <- floor(n / par1)) [1] 10 > arr <- array(NA,dim=c(par1,np)) > j <- 0 > k <- 1 > for (i in 1:(np*par1)) + { + j = j + 1 + arr[j,k] <- x[i] + if (j == par1) { + j = 0 + k=k+1 + } + } > arr [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 1095 1095 1571 1901 2294 2842 3555 4361 5259 6148 [2,] 1085 1075 1509 1922 2242 2769 3493 4319 5156 6034 [3,] 1075 1106 1509 1922 2253 2955 3751 4588 5456 6365 [4,] 1054 1157 1602 1984 2325 3028 3875 4681 5549 6427 [5,] 1261 1447 1860 2222 2594 3245 4164 5074 5952 6840 [6,] 1250 1447 1881 2284 2728 3389 4278 5146 6014 6913 [7,] 1095 1385 1829 2294 2728 3369 4247 5053 6034 7016 [8,] 992 1323 1705 2139 2666 3358 4185 5105 6138 7109 [9,] 1002 1374 1798 2222 2759 3441 4237 5136 6138 7119 [10,] 1002 1436 1798 2191 2666 3431 4299 5167 6179 7130 [11,] 1013 1447 1808 2129 2614 3307 4092 4970 5993 6944 [12,] 1033 1478 1860 2263 2811 3493 4257 5156 6086 7130 > arr.mean <- array(NA,dim=np) > arr.sd <- array(NA,dim=np) > arr.range <- array(NA,dim=np) > for (j in 1:np) + { + arr.mean[j] <- mean(arr[,j],na.rm=TRUE) + arr.sd[j] <- sd(arr[,j],na.rm=TRUE) + arr.range[j] <- max(arr[,j],na.rm=TRUE) - min(arr[,j],na.rm=TRUE) + } > arr.mean [1] 1079.750 1314.167 1727.500 2122.750 2556.667 3218.917 4036.083 4896.333 [9] 5829.500 6764.583 > arr.sd [1] 90.1747 158.5628 141.9446 150.3590 214.6487 252.1275 291.7927 320.0671 [9] 368.4292 406.9806 > arr.range [1] 269 403 372 393 569 724 806 848 1023 1096 > (lm1 <- lm(arr.sd~arr.mean)) Call: lm(formula = arr.sd ~ arr.mean) Coefficients: (Intercept) arr.mean 61.74827 0.05299 > (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) Call: lm(formula = log(arr.sd) ~ log(arr.mean)) Coefficients: (Intercept) log(arr.mean) -0.5540 0.7465 > (lm2 <- lm(arr.range~arr.mean)) Call: lm(formula = arr.range ~ arr.mean) Coefficients: (Intercept) arr.mean 162.8538 0.1453 > postscript(file="/var/wessaorg/rcomp/tmp/169x11408353393.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.mean,arr.sd,main='Standard Deviation-Mean Plot',xlab='mean',ylab='standard deviation') > dev.off() null device 1 > postscript(file="/var/wessaorg/rcomp/tmp/2mje81408353393.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) > plot(arr.mean,arr.range,main='Range-Mean Plot',xlab='mean',ylab='range') > dev.off() null device 1 > > #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/wessaorg/rcomp/createtable") > > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Standard Deviation-Mean Plot',4,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Section',header=TRUE) > a<-table.element(a,'Mean',header=TRUE) > a<-table.element(a,'Standard Deviation',header=TRUE) > a<-table.element(a,'Range',header=TRUE) > a<-table.row.end(a) > for (j in 1:np) { + a<-table.row.start(a) + a<-table.element(a,j,header=TRUE) + a<-table.element(a,arr.mean[j]) + a<-table.element(a,arr.sd[j] ) + a<-table.element(a,arr.range[j] ) + a<-table.row.end(a) + } > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/3t2911408353393.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Regression: S.E.(k) = alpha + beta * Mean(k)',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'alpha',header=TRUE) > a<-table.element(a,lm1$coefficients[[1]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'beta',header=TRUE) > a<-table.element(a,lm1$coefficients[[2]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'S.D.',header=TRUE) > a<-table.element(a,summary(lm1)$coefficients[2,2]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'T-STAT',header=TRUE) > a<-table.element(a,summary(lm1)$coefficients[2,3]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'p-value',header=TRUE) > a<-table.element(a,summary(lm1)$coefficients[2,4]) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/4kac61408353393.tab") > a<-table.start() > a<-table.row.start(a) > a<-table.element(a,'Regression: ln S.E.(k) = alpha + beta * ln Mean(k)',2,TRUE) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'alpha',header=TRUE) > a<-table.element(a,lnlm1$coefficients[[1]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'beta',header=TRUE) > a<-table.element(a,lnlm1$coefficients[[2]]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'S.D.',header=TRUE) > a<-table.element(a,summary(lnlm1)$coefficients[2,2]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'T-STAT',header=TRUE) > a<-table.element(a,summary(lnlm1)$coefficients[2,3]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'p-value',header=TRUE) > a<-table.element(a,summary(lnlm1)$coefficients[2,4]) > a<-table.row.end(a) > a<-table.row.start(a) > a<-table.element(a,'Lambda',header=TRUE) > a<-table.element(a,1-lnlm1$coefficients[[2]]) > a<-table.row.end(a) > a<-table.end(a) > table.save(a,file="/var/wessaorg/rcomp/tmp/5ho9n1408353393.tab") > > try(system("convert tmp/169x11408353393.ps tmp/169x11408353393.png",intern=TRUE)) character(0) > try(system("convert tmp/2mje81408353393.ps tmp/2mje81408353393.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.892 0.166 1.034