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Type 'q()' to quit R. > x <- c(99.42,99.42,99.42,99.42,99.42,109.26,110,110,109.26,100.07,100.07,100.05,100.05,100.05,100.05,100.05,100.05,108.77,111.32,111.6,108.52,103.13,102.87,102.75,102.75,102.75,102.75,102.75,102.75,115.22,115.53,115.4,111.99,107.93,107.43,106.98,106.98,106.98,106.98,106.98,106.98,113.71,118.77,118.54,116.16,110.52,110.06,109.9,109.9,110.72,110.09,110.07,112.45,113.06,119.83,119.84,113.73,110.5,110.12,109.86,110.36,110.36,110.59,112.52,112.1,115.9,122.96,121.26,114.55,111.57,110.65,109.77,112.38,112.35,112.2,114.46,116.26,119.57,127.77,126.59,120.45,116.38,116.3,115.05) > 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,] 99.42 100.05 102.75 106.98 109.90 110.36 112.38 [2,] 99.42 100.05 102.75 106.98 110.72 110.36 112.35 [3,] 99.42 100.05 102.75 106.98 110.09 110.59 112.20 [4,] 99.42 100.05 102.75 106.98 110.07 112.52 114.46 [5,] 99.42 100.05 102.75 106.98 112.45 112.10 116.26 [6,] 109.26 108.77 115.22 113.71 113.06 115.90 119.57 [7,] 110.00 111.32 115.53 118.77 119.83 122.96 127.77 [8,] 110.00 111.60 115.40 118.54 119.84 121.26 126.59 [9,] 109.26 108.52 111.99 116.16 113.73 114.55 120.45 [10,] 100.07 103.13 107.93 110.52 110.50 111.57 116.38 [11,] 100.07 102.87 107.43 110.06 110.12 110.65 116.30 [12,] 100.05 102.75 106.98 109.90 109.86 109.77 115.05 > 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] 102.9842 104.1008 107.8525 111.0467 112.5142 113.5492 117.4800 > arr.sd [1] 4.920518 4.632028 5.380360 4.615134 3.664405 4.404653 5.234385 > arr.range [1] 10.58 11.55 12.78 11.79 9.98 13.19 15.57 > (lm1 <- lm(arr.sd~arr.mean)) Call: lm(formula = arr.sd ~ arr.mean) Coefficients: (Intercept) arr.mean 6.2656 -0.0143 > (lnlm1 <- lm(log(arr.sd)~log(arr.mean))) Call: lm(formula = log(arr.sd) ~ log(arr.mean)) Coefficients: (Intercept) log(arr.mean) 3.513 -0.420 > (lm2 <- lm(arr.range~arr.mean)) Call: lm(formula = arr.range ~ arr.mean) Coefficients: (Intercept) arr.mean -12.2891 0.2228 > postscript(file="/var/fisher/rcomp/tmp/1mnqe1386281203.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/fisher/rcomp/tmp/2z2fv1386281203.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/fisher/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab > load(file="/var/fisher/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/fisher/rcomp/tmp/3z4v01386281203.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/fisher/rcomp/tmp/4dwfl1386281203.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/fisher/rcomp/tmp/5nv9a1386281203.tab") > > try(system("convert tmp/1mnqe1386281203.ps tmp/1mnqe1386281203.png",intern=TRUE)) character(0) > try(system("convert tmp/2z2fv1386281203.ps tmp/2z2fv1386281203.png",intern=TRUE)) character(0) > > > proc.time() user system elapsed 2.476 0.638 3.050