R version 2.15.2 (2012-10-26) -- "Trick or Treat"
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(2.1,2.1,2.11,2.12,2.13,2.13,2.13,2.13,2.14,2.15,2.16,2.17,2.16,2.2,2.19,2.2,2.2,2.2,2.21,2.22,2.25,2.33,2.33,2.35,2.37,2.38,2.38,2.41,2.41,2.41,2.41,2.42,2.42,2.43,2.44,2.44,2.43,2.44,2.44,2.44,2.44,2.44,2.43,2.42,2.43,2.43,2.43,2.43,2.43,2.44,2.43,2.43,2.44,2.43,2.43,2.44,2.46,2.48,2.49,2.5,2.53,2.55,2.57,2.56,2.56,2.57,2.56,2.57,2.58,2.58,2.58,2.59)
> 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,] 2.10 2.16 2.37 2.43 2.43 2.53   NA
 [2,] 2.10 2.20 2.38 2.44 2.44 2.55   NA
 [3,] 2.11 2.19 2.38 2.44 2.43 2.57   NA
 [4,] 2.12 2.20 2.41 2.44 2.43 2.56   NA
 [5,] 2.13 2.20 2.41 2.44 2.44 2.56   NA
 [6,] 2.13 2.20 2.41 2.44 2.43 2.57   NA
 [7,] 2.13 2.21 2.41 2.43 2.43 2.56   NA
 [8,] 2.13 2.22 2.42 2.42 2.44 2.57   NA
 [9,] 2.14 2.25 2.42 2.43 2.46 2.58   NA
[10,] 2.15 2.33 2.43 2.43 2.48 2.58   NA
[11,] 2.16 2.33 2.44 2.43 2.49 2.58   NA
[12,] 2.17 2.35 2.44 2.43 2.50 2.59   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/1bc6l1355336973.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/2geyd1355336973.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/3g8yy1355336973.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/46vv01355336973.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,] 2.10 2.10 2.110 2.12 2.130 2.13 2.13 2.13 2.140  2.15 2.160 2.170
[2,] 2.16 2.20 2.190 2.20 2.200 2.20 2.21 2.22 2.250  2.33 2.330 2.350
[3,] 2.40 2.41 2.405 2.42 2.425 2.42 2.42 2.42 2.425  2.43 2.435 2.435
[4,] 2.43 2.44 2.440 2.44 2.440 2.44 2.43 2.44 2.460  2.48 2.490 2.500
[5,] 2.53 2.55 2.570 2.56 2.560 2.57 2.56 2.57 2.580  2.58 2.580 2.590

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 2.225841 2.255192 2.243742 2.265192 2.270192 2.265192 2.278093 2.278093
[2,] 2.574159 2.564808 2.566258 2.574808 2.579808 2.574808 2.561907 2.561907
         [,9]    [,10]    [,11]    [,12]
[1,] 2.289543 2.333245 2.331795 2.338245
[2,] 2.560457 2.526755 2.538205 2.531755

$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(2.1, 2.16, 2.4, 2.43, 2.53, 2.1, 2.2, 2.41,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/5fw2q1355336973.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,] 2.100 2.160 2.370 2.42 2.43 2.55   NA
[2,] 2.115 2.200 2.395 2.43 2.43 2.56   NA
[3,] 2.130 2.205 2.410 2.43 2.44 2.57   NA
[4,] 2.145 2.290 2.425 2.44 2.47 2.58   NA
[5,] 2.170 2.350 2.440 2.44 2.50 2.59   NA

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

$conf
         [,1]    [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 2.116317 2.16395 2.396317 2.425439 2.421756 2.560878   NA
[2,] 2.143683 2.24605 2.423683 2.434561 2.458244 2.579122   NA

$out
[1] 2.53

$group
[1] 6

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

Warning message:
In bxp(list(stats = c(2.1, 2.115, 2.13, 2.145, 2.17, 2.16, 2.2,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/6na2x1355336973.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,] 0.1434805 0.420 0.11250
[2,] 0.1525416 0.430 0.14125
[3,] 0.1623739 0.435 0.17750
[4,] 0.1670509 0.440 0.19125
[5,] 0.1714254 0.450 0.21750

$n
[1] 12 12 12

$conf
          [,1]      [,2]      [,3]
[1,] 0.1557561 0.4304389 0.1546947
[2,] 0.1689917 0.4395611 0.2003053

$out
[1] 0.46

$group
[1] 2

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

Warning message:
In bxp(list(stats = c(0.143480544558022, 0.152541633787705, 0.162373943237798,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1bc6l1355336973.ps tmp/1bc6l1355336973.png",intern=TRUE))
character(0)
> try(system("convert tmp/2geyd1355336973.ps tmp/2geyd1355336973.png",intern=TRUE))
character(0)
> try(system("convert tmp/3g8yy1355336973.ps tmp/3g8yy1355336973.png",intern=TRUE))
character(0)
> try(system("convert tmp/46vv01355336973.ps tmp/46vv01355336973.png",intern=TRUE))
character(0)
> try(system("convert tmp/5fw2q1355336973.ps tmp/5fw2q1355336973.png",intern=TRUE))
character(0)
> try(system("convert tmp/6na2x1355336973.ps tmp/6na2x1355336973.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.129   0.872   3.995