R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(16.41,16.38,16.12,16.03,16.02,16.01,16.01,15.94,15.88,15.75,15.8,15.84,15.84,15.79,15.79,15.75,15.63,15.63,15.63,15.62,15.59,15.55,15.61,15.58,15.58,15.64,15.56,15.57,15.46,15.5,15.5,15.58,15.69,15.78,15.8,15.79,15.79,15.79,15.75,15.71,15.76,15.76,15.76,15.76,15.78,15.84,15.82,15.86,15.86,15.87,15.84,15.84,15.89,15.89,15.89,15.91,15.95,16.08,16.08,16.09)
> 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] 60
> (np <- floor(n / par1))
[1] 5
> 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] 5 5 5 5 5 5 5 5 5 5 5 5
> arr
       [,1]  [,2]  [,3]  [,4]  [,5] [,6]
 [1,] 16.41 15.84 15.58 15.79 15.86   NA
 [2,] 16.38 15.79 15.64 15.79 15.87   NA
 [3,] 16.12 15.79 15.56 15.75 15.84   NA
 [4,] 16.03 15.75 15.57 15.71 15.84   NA
 [5,] 16.02 15.63 15.46 15.76 15.89   NA
 [6,] 16.01 15.63 15.50 15.76 15.89   NA
 [7,] 16.01 15.63 15.50 15.76 15.89   NA
 [8,] 15.94 15.62 15.58 15.76 15.91   NA
 [9,] 15.88 15.59 15.69 15.78 15.95   NA
[10,] 15.75 15.55 15.78 15.84 16.08   NA
[11,] 15.80 15.61 15.80 15.82 16.08   NA
[12,] 15.84 15.58 15.79 15.86 16.09   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/wessaorg/rcomp/tmp/1dpg91335864983.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/wessaorg/rcomp/tmp/26fnw1335864983.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/wessaorg/rcomp/tmp/3ehte1335864983.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/wessaorg/rcomp/tmp/49s0c1335864983.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,] 15.79 15.79 15.75 15.57 15.46 15.50 15.50 15.58 15.59 15.75 15.80 15.79
[2,] 15.79 15.79 15.75 15.71 15.63 15.63 15.63 15.62 15.69 15.75 15.80 15.79
[3,] 15.84 15.79 15.79 15.75 15.76 15.76 15.76 15.76 15.78 15.78 15.80 15.84
[4,] 15.86 15.87 15.84 15.84 15.89 15.89 15.89 15.91 15.88 15.84 15.82 15.86
[5,] 15.86 15.87 15.84 16.03 16.02 16.01 16.01 15.94 15.95 15.84 15.82 15.86

$n
 [1] 5 5 5 5 5 5 5 5 5 5 5 5

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 15.79054 15.73347 15.72641 15.65814 15.57628 15.57628 15.57628 15.55509
[2,] 15.88946 15.84653 15.85359 15.84186 15.94372 15.94372 15.94372 15.96491
         [,9]    [,10]    [,11]    [,12]
[1,] 15.64575 15.71641 15.78587 15.79054
[2,] 15.91425 15.84359 15.81413 15.88946

$out
 [1] 16.41 15.58 16.38 15.64 16.12 15.56 15.55 16.08 15.61 16.08 15.58 16.09

$group
 [1]  1  1  2  2  3  3 10 10 11 11 12 12

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

Warning message:
In bxp(list(stats = c(15.79, 15.79, 15.84, 15.86, 15.86, 15.79,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5pia41335864983.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]
[1,] 15.750 15.55 15.460 15.710 15.840   NA
[2,] 15.860 15.60 15.530 15.760 15.865   NA
[3,] 16.010 15.63 15.580 15.770 15.890   NA
[4,] 16.075 15.77 15.735 15.805 16.015   NA
[5,] 16.380 15.84 15.800 15.860 16.090   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]    [,3]     [,4]     [,5] [,6]
[1,] 15.91194 15.55246 15.4865 15.74948 15.82158   NA
[2,] 16.10806 15.70754 15.6735 15.79052 15.95842   NA

$out
[1] 16.41

$group
[1] 1

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

Warning message:
In bxp(list(stats = c(15.75, 15.86, 16.01, 16.075, 16.38, 15.55,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6jo4f1335864983.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,] 0.1441180 0.360 0.020
[2,] 0.1689920 0.465 0.075
[3,] 0.1964100 0.510 0.110
[4,] 0.2104870 0.560 0.260
[5,] 0.2185635 0.560 0.290

$n
[1] 12 12 12

$conf
          [,1]      [,2]       [,3]
[1,] 0.1774839 0.4666699 0.02562026
[2,] 0.2153362 0.5533301 0.19437974

$out
[1] 0.3081071 0.2841303 0.8300000 0.7400000

$group
[1] 1 1 2 2

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

Warning message:
In bxp(list(stats = c(0.144118007202431, 0.16899202709465, 0.196410029989295,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1dpg91335864983.ps tmp/1dpg91335864983.png",intern=TRUE))
character(0)
> try(system("convert tmp/26fnw1335864983.ps tmp/26fnw1335864983.png",intern=TRUE))
character(0)
> try(system("convert tmp/3ehte1335864983.ps tmp/3ehte1335864983.png",intern=TRUE))
character(0)
> try(system("convert tmp/49s0c1335864983.ps tmp/49s0c1335864983.png",intern=TRUE))
character(0)
> try(system("convert tmp/5pia41335864983.ps tmp/5pia41335864983.png",intern=TRUE))
character(0)
> try(system("convert tmp/6jo4f1335864983.ps tmp/6jo4f1335864983.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.456   0.466   1.944