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(1.94,1.82,1.8,1.79,1.79,1.78,1.81,1.84,1.87,1.87,1.87,1.84,1.82,1.83,1.83,1.82,1.83,1.87,1.88,1.9,1.98,2.03,2.14,2.42,2.73,2.84,2.85,2.94,3.06,3.24,3.18,3.01,2.87,2.73,2.63,2.39,2.26,2.11,2.01,1.99,1.96,1.93,1.98,2.07,2.24,2.31,2.23,2.26,2.28,2.3,2.33,2.26,2.24,2.47,2.55,2.89,3.21,3.21,2.92,2.68,2.4,2.28,2.24,2.2,2.18,2.23,2.24,2.25,2.23,2.25,2.23,2.21)
> 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,] 1.94 1.82 2.73 2.26 2.28 2.40   NA
 [2,] 1.82 1.83 2.84 2.11 2.30 2.28   NA
 [3,] 1.80 1.83 2.85 2.01 2.33 2.24   NA
 [4,] 1.79 1.82 2.94 1.99 2.26 2.20   NA
 [5,] 1.79 1.83 3.06 1.96 2.24 2.18   NA
 [6,] 1.78 1.87 3.24 1.93 2.47 2.23   NA
 [7,] 1.81 1.88 3.18 1.98 2.55 2.24   NA
 [8,] 1.84 1.90 3.01 2.07 2.89 2.25   NA
 [9,] 1.87 1.98 2.87 2.24 3.21 2.23   NA
[10,] 1.87 2.03 2.73 2.31 3.21 2.25   NA
[11,] 1.87 2.14 2.63 2.23 2.92 2.23   NA
[12,] 1.84 2.42 2.39 2.26 2.68 2.21   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/1oc4l1355068549.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/2yax71355068549.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/3qz231355068549.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/4yfbs1355068549.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,] 1.82 1.820 1.800 1.790 1.79 1.78 1.81 1.84 1.870  1.87  1.87 2.210
[2,] 1.94 1.830 1.830 1.820 1.83 1.87 1.88 1.90 1.980  2.03  2.14 2.210
[3,] 2.27 2.195 2.125 2.095 2.07 2.08 2.11 2.16 2.235  2.28  2.23 2.325
[4,] 2.40 2.300 2.330 2.260 2.24 2.47 2.55 2.89 2.870  2.73  2.63 2.420
[5,] 2.73 2.840 2.850 2.260 2.24 3.24 3.18 3.01 3.210  3.21  2.92 2.680

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 1.973285 1.891835 1.802484 1.811186 1.805537 1.692981 1.677828 1.521418
[2,] 2.566715 2.498165 2.447516 2.378814 2.334463 2.467019 2.542172 2.798582
         [,9]    [,10]    [,11]    [,12]
[1,] 1.660921 1.828477 1.913934 2.189543
[2,] 2.809079 2.731523 2.546066 2.460457

$out
[1] 2.94 3.06 1.84

$group
[1]  4  5 12

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

Warning message:
In bxp(list(stats = c(1.82, 1.94, 2.27, 2.4, 2.73, 1.82, 1.83, 2.195,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/5go311355068549.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,] 1.780 1.820 2.390 1.930 2.240 2.180   NA
[2,] 1.795 1.830 2.730 1.985 2.290 2.220   NA
[3,] 1.830 1.875 2.860 2.090 2.510 2.235   NA
[4,] 1.870 2.005 3.035 2.250 2.905 2.250   NA
[5,] 1.940 2.140 3.240 2.310 3.210 2.280   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 1.795792 1.795181 2.720887 1.969132 2.229494 2.221317   NA
[2,] 1.864208 1.954819 2.999113 2.210868 2.790506 2.248683   NA

$out
[1] 2.42 2.40

$group
[1] 2 6

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

Warning message:
In bxp(list(stats = c(1.78, 1.795, 1.83, 1.87, 1.94, 1.82, 1.83,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/6ltir1355068549.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,] 0.2786396 0.840 0.19000
[2,] 0.3769416 1.035 0.36500
[3,] 0.4468858 1.160 0.41375
[4,] 0.5127821 1.340 0.55375
[5,] 0.5470893 1.460 0.78750

$n
[1] 12 12 12

$conf
          [,1]     [,2]      [,3]
[1,] 0.3849280 1.020887 0.3276599
[2,] 0.5088436 1.299113 0.4998401

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.27863955210989, 0.376941609314812, 0.446885817511558,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1oc4l1355068549.ps tmp/1oc4l1355068549.png",intern=TRUE))
character(0)
> try(system("convert tmp/2yax71355068549.ps tmp/2yax71355068549.png",intern=TRUE))
character(0)
> try(system("convert tmp/3qz231355068549.ps tmp/3qz231355068549.png",intern=TRUE))
character(0)
> try(system("convert tmp/4yfbs1355068549.ps tmp/4yfbs1355068549.png",intern=TRUE))
character(0)
> try(system("convert tmp/5go311355068549.ps tmp/5go311355068549.png",intern=TRUE))
character(0)
> try(system("convert tmp/6ltir1355068549.ps tmp/6ltir1355068549.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.210   0.897   4.092