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(79.49,79.69,79.86,79.87,79.83,79.83,79.83,79.37,79.53,79.78,79.94,79.97,79.97,79.98,80.25,80.38,80.13,80.15,80.15,80.18,80.47,80.83,80.62,80.66,80.66,80.67,80.8,81.04,81.24,81.26,81.26,81.47,81.94,82.83,82.29,82.32,82.32,82.3,82.54,82.54,82.62,82.63,82.63,82.63,82.71,83.25,83.14,83.34,83.34,83.37,83.33,83.26,83.66,83.64,83.64,83.71,83.87,84.17,84.35,84.44,84.44,84.45,84.67,84.95,84.89,84.93,84.93,84.93,85.45,85.77,85.79,85.9)
> 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,] 79.49 79.97 80.66 82.32 83.34 84.44   NA
 [2,] 79.69 79.98 80.67 82.30 83.37 84.45   NA
 [3,] 79.86 80.25 80.80 82.54 83.33 84.67   NA
 [4,] 79.87 80.38 81.04 82.54 83.26 84.95   NA
 [5,] 79.83 80.13 81.24 82.62 83.66 84.89   NA
 [6,] 79.83 80.15 81.26 82.63 83.64 84.93   NA
 [7,] 79.83 80.15 81.26 82.63 83.64 84.93   NA
 [8,] 79.37 80.18 81.47 82.63 83.71 84.93   NA
 [9,] 79.53 80.47 81.94 82.71 83.87 85.45   NA
[10,] 79.78 80.83 82.83 83.25 84.17 85.77   NA
[11,] 79.94 80.62 82.29 83.14 84.35 85.79   NA
[12,] 79.97 80.66 82.32 83.34 84.44 85.90   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/1az5r1354211405.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/2sk671354211405.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/3kfm31354211405.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/443fp1354211405.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]
[1,] 79.49 79.690 79.86 79.87 79.83 79.830 79.830 79.37 79.530 79.78 79.940
[2,] 79.97 79.980 80.25 80.38 80.13 80.150 80.150 80.18 80.470 80.83 80.620
[3,] 81.49 81.485 81.67 81.79 81.93 81.945 81.945 82.05 82.325 83.04 82.715
[4,] 83.34 83.370 83.33 83.26 83.66 83.640 83.640 83.71 83.870 84.17 84.350
[5,] 84.44 84.450 84.67 84.95 84.89 84.930 84.930 84.93 85.450 85.77 85.790
     [,12]
[1,] 79.97
[2,] 80.66
[3,] 82.83
[4,] 84.44
[5,] 85.90

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

$conf
         [,1]     [,2]    [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 79.31624 79.29834 79.6833 79.93231 79.65304 79.69384 79.69384 79.77304
[2,] 83.66376 83.67166 83.6567 83.64769 84.20696 84.19616 84.19616 84.32696
         [,9]    [,10]    [,11]    [,12]
[1,] 80.13189 80.88559 80.30903 80.39178
[2,] 84.51811 85.19441 85.12097 85.26822

$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(79.49, 79.97, 81.49, 83.34, 84.44, 79.69,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5fvdi1354211405.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,] 79.370 79.970 80.660 82.300 83.260 84.44   NA
[2,] 79.610 80.140 80.920 82.540 83.355 84.78   NA
[3,] 79.830 80.215 81.260 82.630 83.650 84.93   NA
[4,] 79.865 80.545 82.115 82.925 84.020 85.61   NA
[5,] 79.970 80.830 82.830 83.340 84.440 85.90   NA

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

$conf
         [,1]     [,2]     [,3]    [,4]     [,5]     [,6] [,7]
[1,] 79.71369 80.03028 80.71495 82.4544 83.34669 84.55143   NA
[2,] 79.94631 80.39972 81.80505 82.8056 83.95331 85.30857   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(79.37, 79.61, 79.83, 79.865, 79.97, 79.97,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6d6ok1354211405.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,] 1.908983 4.760 2.53500
[2,] 1.956928 5.005 2.74375
[3,] 2.015844 5.100 2.94625
[4,] 2.181732 5.885 2.97625
[5,] 2.254120 5.990 3.09000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.913309 4.698626 2.840205
[2,] 2.118379 5.501374 3.052295

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1.90898314991691, 1.95692843066691, 2.01584390930118,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1az5r1354211405.ps tmp/1az5r1354211405.png",intern=TRUE))
character(0)
> try(system("convert tmp/2sk671354211405.ps tmp/2sk671354211405.png",intern=TRUE))
character(0)
> try(system("convert tmp/3kfm31354211405.ps tmp/3kfm31354211405.png",intern=TRUE))
character(0)
> try(system("convert tmp/443fp1354211405.ps tmp/443fp1354211405.png",intern=TRUE))
character(0)
> try(system("convert tmp/5fvdi1354211405.ps tmp/5fvdi1354211405.png",intern=TRUE))
character(0)
> try(system("convert tmp/6d6ok1354211405.ps tmp/6d6ok1354211405.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.998   1.008   7.037