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Type 'q()' to quit R. > x <- c(84.71,85.17,84.93,85.1,85.19,85.38,85.95,86.04,85.68,85.79,85.79,86.05,86.14,86.82,86.93,87.03,87.13,87.09,87.65,87.6,87.03,87.12,87.08,87.56,87.31,87.89,88.2,87.7,88.19,88.65,89.48,89.65,89.34,89.73,89.77,90.26,90.03,91.09,90.94,91.03,91.14,91.51,91.99,91.91,91.8,91.8,91.44,91.83,91.46,92.17,91.91,92.06,92.33,92.73,93.35,93.28,93.22,93.31,93.21,93.14,93.82,94.18,94.44,94.35,94.38,94.72,95.25,95.16,94.9,95.09,95.22,95.39,96.57,97.05,97.11,97.08,97.5,97.92,98.44,98.44,98.06,98.2,98.19,98.36,98.41,98.97,99.45,98.95,99.7,100.12,100.62,100.75,100.47,100.71,100.85,101.03,101.13,101.38,101.73,101.89,102.02,102.11,102.77,102.49,102.52,102.69,102.32,102.6) > 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] 108 > (np <- floor(n / par1)) [1] 9 > 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] [1,] 84.71 86.14 87.31 90.03 91.46 93.82 96.57 98.41 101.13 [2,] 85.17 86.82 87.89 91.09 92.17 94.18 97.05 98.97 101.38 [3,] 84.93 86.93 88.20 90.94 91.91 94.44 97.11 99.45 101.73 [4,] 85.10 87.03 87.70 91.03 92.06 94.35 97.08 98.95 101.89 [5,] 85.19 87.13 88.19 91.14 92.33 94.38 97.50 99.70 102.02 [6,] 85.38 87.09 88.65 91.51 92.73 94.72 97.92 100.12 102.11 [7,] 85.95 87.65 89.48 91.99 93.35 95.25 98.44 100.62 102.77 [8,] 86.04 87.60 89.65 91.91 93.28 95.16 98.44 100.75 102.49 [9,] 85.68 87.03 89.34 91.80 93.22 94.90 98.06 100.47 102.52 [10,] 85.79 87.12 89.73 91.80 93.31 95.09 98.20 100.71 102.69 [11,] 85.79 87.08 89.77 91.44 93.21 95.22 98.19 100.85 102.32 [12,] 86.05 87.56 90.26 91.83 93.14 95.39 98.36 101.03 102.60 > 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] 85.48167 87.09833 88.84750 91.37583 92.68083 94.74167 97.74333 [8] 100.00250 102.13750 > arr.sd [1] 0.4594034 0.4050327 0.9723273 0.5647921 0.6633724 0.5017756 0.6500536 [8] 0.8818176 0.5268970 > arr.range [1] 1.34 1.51 2.95 1.96 1.89 1.57 1.87 2.62 1.64 > (lm1 <- lm(arr.sd~arr.mean)) Call: lm(formula = arr.sd ~ arr.mean) Coefficients: (Intercept) arr.mean -0.068086 0.007426 > (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) Call: lm(formula = log(arr.sd) ~ log(arr.mean)) Coefficients: (Intercept) log(arr.mean) -6.922 1.414 > (lm2 <- lm(arr.range~arr.mean)) Call: lm(formula = arr.range ~ arr.mean) Coefficients: (Intercept) arr.mean 0.56402 0.01461 > postscript(file="/var/wessaorg/rcomp/tmp/1elog1448190383.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/2kjut1448190383.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/3kaot1448190383.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/4vhwu1448190383.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/5odle1448190383.tab") > > try(system("convert tmp/1elog1448190383.ps tmp/1elog1448190383.png",intern=TRUE)) character(0) > try(system("convert tmp/2kjut1448190383.ps tmp/2kjut1448190383.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 0.828 0.145 0.978