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Type 'q()' to quit R. > x <- c(109.03,110.43,111.01,111.01,110.76,111.13,111.07,111.09,110.96,110.64,110.62,110.59,111.33,113.94,114.61,114.64,114.62,114.71,114.72,114.66,114.76,114.68,114.75,114.74,116.36,117.53,118.82,119.83,119.97,121.29,120.94,121.02,120.98,121.02,120.89,120.76,123.28,123.98,125.91,125.84,125.98,127.24,127.23,127.82,127.59,127.74,127.44,127.35,128.54,129.3,130.67,130.76,131.34,130.69,130.96,130.68,130.61,130.59,130.44,129.04,131.46,132.77,134.48,134.52,136.11,136.12,136.03,135.84,137.75,137.45,136.84,136.79,140.12,140.68,140.35,140.42,140.19,140.14,140.13,139.45,139.59,139.44,139.53,139.28) > 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] 84 > (np <- floor(n / par1)) [1] 7 > 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] [1,] 109.03 111.33 116.36 123.28 128.54 131.46 140.12 [2,] 110.43 113.94 117.53 123.98 129.30 132.77 140.68 [3,] 111.01 114.61 118.82 125.91 130.67 134.48 140.35 [4,] 111.01 114.64 119.83 125.84 130.76 134.52 140.42 [5,] 110.76 114.62 119.97 125.98 131.34 136.11 140.19 [6,] 111.13 114.71 121.29 127.24 130.69 136.12 140.14 [7,] 111.07 114.72 120.94 127.23 130.96 136.03 140.13 [8,] 111.09 114.66 121.02 127.82 130.68 135.84 139.45 [9,] 110.96 114.76 120.98 127.59 130.61 137.75 139.59 [10,] 110.64 114.68 121.02 127.74 130.59 137.45 139.44 [11,] 110.62 114.75 120.89 127.44 130.44 136.84 139.53 [12,] 110.59 114.74 120.76 127.35 129.04 136.79 139.28 > 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] 110.6950 114.3467 119.9508 126.4500 130.3017 135.5133 139.9433 > arr.sd [1] 0.5737358 0.9753632 1.5869437 1.5044661 0.8553132 1.8889840 0.4605596 > arr.range [1] 2.10 3.43 4.93 4.54 2.80 6.29 1.40 > (lm1 <- lm(arr.sd~arr.mean)) Call: lm(formula = arr.sd ~ arr.mean) Coefficients: (Intercept) arr.mean 0.344327 0.006196 > (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) Call: lm(formula = log(arr.sd) ~ log(arr.mean)) Coefficients: (Intercept) log(arr.mean) -1.3506 0.2796 > (lm2 <- lm(arr.range~arr.mean)) Call: lm(formula = arr.range ~ arr.mean) Coefficients: (Intercept) arr.mean 2.04805 0.01272 > postscript(file="/var/wessaorg/rcomp/tmp/15dyy1416756435.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/2286e1416756435.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/37hjt1416756435.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/4pcls1416756435.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/5skbd1416756435.tab") > > try(system("convert tmp/15dyy1416756435.ps tmp/15dyy1416756435.png",intern=TRUE)) character(0) > try(system("convert tmp/2286e1416756435.ps tmp/2286e1416756435.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.882 0.146 1.034