R version 2.15.3 (2013-03-01) -- "Security Blanket"
Copyright (C) 2013 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(6.94,6.98,7.05,7.07,7.08,7.10,7.12,7.13,7.18,7.20,7.21,7.22,7.26,7.29,7.32,7.36,7.41,7.48,7.48,7.51,7.51,7.51,7.51,7.54,7.58,7.64,7.63,7.71,7.77,7.85,7.88,7.89,7.94,8.02,8.08,8.15,8.17,8.17,8.25,8.33,8.41,8.43,8.48,8.52,8.56,8.63,8.70,8.72,8.73,8.82,8.83,8.81,8.82,8.83,8.84,8.83,8.82,8.87,8.87,8.87,8.86,8.95,8.94,8.96,8.96,9.01,9.01,8.96,8.96,8.94,8.93,8.89)
> 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 Plot (v1.0.2) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_sdplot.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 72
> (np <- floor(n / par1))
[1] 6
> arr <- array(NA,dim=c(par1,np+1))
> ari <- array(0,dim=par1)
> j <- 0
> for (i in 1:n)
+ {
+ j = j + 1
+ ari[j] = ari[j] + 1
+ arr[j,ari[j]] <- x[i]
+ if (j == par1) j = 0
+ }
> ari
 [1] 6 6 6 6 6 6 6 6 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,] 6.94 7.26 7.58 8.17 8.73 8.86   NA
 [2,] 6.98 7.29 7.64 8.17 8.82 8.95   NA
 [3,] 7.05 7.32 7.63 8.25 8.83 8.94   NA
 [4,] 7.07 7.36 7.71 8.33 8.81 8.96   NA
 [5,] 7.08 7.41 7.77 8.41 8.82 8.96   NA
 [6,] 7.10 7.48 7.85 8.43 8.83 9.01   NA
 [7,] 7.12 7.48 7.88 8.48 8.84 9.01   NA
 [8,] 7.13 7.51 7.89 8.52 8.83 8.96   NA
 [9,] 7.18 7.51 7.94 8.56 8.82 8.96   NA
[10,] 7.20 7.51 8.02 8.63 8.87 8.94   NA
[11,] 7.21 7.51 8.08 8.70 8.87 8.93   NA
[12,] 7.22 7.54 8.15 8.72 8.87 8.89   NA
> arr.sd <- array(NA,dim=par1)
> arr.range <- array(NA,dim=par1)
> arr.iqr <- array(NA,dim=par1)
> for (j in 1:par1)
+ {
+ arr.sd[j] <- sqrt(var(arr[j,],na.rm=TRUE))
+ arr.range[j] <- max(arr[j,],na.rm=TRUE) - min(arr[j,],na.rm=TRUE)
+ arr.iqr[j] <- quantile(arr[j,],0.75,na.rm=TRUE) - quantile(arr[j,],0.25,na.rm=TRUE)
+ }
> overall.sd <- sqrt(var(x))
> overall.range <- max(x) - min(x)
> overall.iqr <- quantile(x,0.75) - quantile(x,0.25)
> postscript(file="/var/fisher/rcomp/tmp/1067h1367007414.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.sd,type='b',ylab='S.D.',main='Standard Deviation Plot',xlab='Periodic Index')
> mtext(paste('# blocks = ',np))
> abline(overall.sd,0)
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/213cp1367007414.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.range,type='b',ylab='range',main='Range Plot',xlab='Periodic Index')
> mtext(paste('# blocks = ',np))
> abline(overall.range,0)
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/35u2j1367007414.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.iqr,type='b',ylab='IQR',main='Interquartile Range Plot',xlab='Periodic Index')
> mtext(paste('# blocks = ',np))
> abline(overall.iqr,0)
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/4xe4k1367007414.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(t(arr))
> names(z) <- c(1:par1)
> (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries'))
$stats
      [,1]  [,2] [,3] [,4] [,5] [,6] [,7]  [,8] [,9] [,10] [,11] [,12]
[1,] 6.940 6.980 7.05 7.07 7.08 7.10 7.12 7.130 7.18 7.200  7.21 7.220
[2,] 7.260 7.290 7.32 7.36 7.41 7.48 7.48 7.510 7.51 7.510  7.51 7.540
[3,] 7.875 7.905 7.94 8.02 8.09 8.14 8.18 8.205 8.25 8.325  8.39 8.435
[4,] 8.730 8.820 8.83 8.81 8.82 8.83 8.84 8.830 8.82 8.870  8.87 8.870
[5,] 8.860 8.950 8.94 8.96 8.96 9.01 9.01 8.960 8.96 8.940  8.93 8.890

$n
 [1] 6 6 6 6 6 6 6 6 6 6 6 6

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6.926803 6.918101 6.966001 7.084703 7.180504 7.269206 7.302756 7.353557
[2,] 8.823197 8.891899 8.913999 8.955297 8.999496 9.010794 9.057244 9.056443
         [,9]    [,10]    [,11]    [,12]
[1,] 7.405008 7.447756 7.512756 7.577107
[2,] 9.094992 9.202244 9.267244 9.292893

$out
numeric(0)

$group
numeric(0)

$names
 [1] "1"  "2"  "3"  "4"  "5"  "6"  "7"  "8"  "9"  "10" "11" "12"

Warning message:
In bxp(list(stats = c(6.94, 7.26, 7.875, 8.73, 8.86, 6.98, 7.29,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/588fy1367007414.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(arr)
> names(z) <- c(1:np)
> (boxplot(z,notch=TRUE,col='grey',xlab='Block Index',ylab='Value',main='Notched Box Plots - Sequential Blocks'))
$stats
     [,1] [,2]  [,3]  [,4]  [,5]  [,6] [,7]
[1,] 6.94 7.26 7.580 8.170 8.810 8.930   NA
[2,] 7.06 7.34 7.675 8.290 8.820 8.935   NA
[3,] 7.11 7.48 7.865 8.455 8.830 8.955   NA
[4,] 7.19 7.51 7.980 8.595 8.855 8.960   NA
[5,] 7.22 7.54 8.150 8.720 8.870 8.960   NA

$n
[1] 12 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 7.050706 7.402462 7.725887 8.315887 8.814036 8.943597   NA
[2,] 7.169294 7.557538 8.004113 8.594113 8.845964 8.966403   NA

$out
[1] 8.73 8.86 9.01 9.01 8.89

$group
[1] 5 6 6 6 6

$names
[1] "1" "2" "3" "4" "5" "6" NA 

Warning message:
In bxp(list(stats = c(6.94, 7.06, 7.11, 7.19, 7.22, 7.26, 7.34,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/6k6gh1367007414.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(cbind(arr.sd,arr.range,arr.iqr))
> names(z) <- list('S.D.','Range','IQR')
> (boxplot(z,notch=TRUE,col='grey',ylab='Overall Variability',main='Notched Box Plots'))
$stats
          [,1]  [,2]    [,3]
[1,] 0.7194280 1.670 1.13750
[2,] 0.7341987 1.760 1.15250
[3,] 0.7629600 1.885 1.17375
[4,] 0.7841610 1.900 1.24625
[5,] 0.8092157 1.970 1.28750

$n
[1] 12 12 12

$conf
          [,1]     [,2]    [,3]
[1,] 0.7401719 1.821145 1.13099
[2,] 0.7857481 1.948855 1.21651

$out
numeric(0)

$group
numeric(0)

$names
[1] "S.D."  "Range" "IQR"  

Warning message:
In bxp(list(stats = c(0.719428013540387, 0.734198729131169, 0.762960006253766,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1067h1367007414.ps tmp/1067h1367007414.png",intern=TRUE))
character(0)
> try(system("convert tmp/213cp1367007414.ps tmp/213cp1367007414.png",intern=TRUE))
character(0)
> try(system("convert tmp/35u2j1367007414.ps tmp/35u2j1367007414.png",intern=TRUE))
character(0)
> try(system("convert tmp/4xe4k1367007414.ps tmp/4xe4k1367007414.png",intern=TRUE))
character(0)
> try(system("convert tmp/588fy1367007414.ps tmp/588fy1367007414.png",intern=TRUE))
character(0)
> try(system("convert tmp/6k6gh1367007414.ps tmp/6k6gh1367007414.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.828   0.503   3.318