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(23.9,24.06,24.33,24.39,24.39,24.49,24.83,25.08,25.11,25.13,25.17,25.11,25.35,25.36,25.35,25.34,25.39,25.58,25.71,25.66,25.74,25.73,25.72,25.55,25.71,25.92,25.93,26,26.02,26.08,26.17,26.18,26.21,26.28,26.34,26.17,26.38,26.36,26.27,26.26,26.49,26.99,27.14,27.1,27.01,26.93,26.97,26.35,26.93,26.92,27.05,27.01,26.9,26.93,26.95,26.89,26.7,26.55,26.48,25.71,26.17,26.31,26.58,26.49,26.57,26.6,26.69,26.59,26.75,26.79,26.8,26.62)
> 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,] 23.90 25.35 25.71 26.38 26.93 26.17   NA
 [2,] 24.06 25.36 25.92 26.36 26.92 26.31   NA
 [3,] 24.33 25.35 25.93 26.27 27.05 26.58   NA
 [4,] 24.39 25.34 26.00 26.26 27.01 26.49   NA
 [5,] 24.39 25.39 26.02 26.49 26.90 26.57   NA
 [6,] 24.49 25.58 26.08 26.99 26.93 26.60   NA
 [7,] 24.83 25.71 26.17 27.14 26.95 26.69   NA
 [8,] 25.08 25.66 26.18 27.10 26.89 26.59   NA
 [9,] 25.11 25.74 26.21 27.01 26.70 26.75   NA
[10,] 25.13 25.73 26.28 26.93 26.55 26.79   NA
[11,] 25.17 25.72 26.34 26.97 26.48 26.80   NA
[12,] 25.11 25.55 26.17 26.35 25.71 26.62   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/1w82h1355313661.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/2ewio1355313661.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/3u4qx1355313661.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/49c3e1355313661.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,] 23.90 24.060 24.33 24.39 24.390 24.49 24.83 25.080 25.110 25.130 25.17
[2,] 25.35 25.360 25.35 25.34 25.390 25.58 25.71 25.660 25.740 25.730 25.72
[3,] 25.94 26.115 26.10 26.13 26.255 26.34 26.43 26.385 26.455 26.415 26.41
[4,] 26.38 26.360 26.58 26.49 26.570 26.93 26.95 26.890 26.750 26.790 26.80
[5,] 26.93 26.920 27.05 27.01 26.900 26.99 27.14 27.100 27.010 26.930 26.97
     [,12]
[1,] 25.11
[2,] 25.55
[3,] 25.94
[4,] 26.35
[5,] 26.62

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 25.27562 25.46997 25.30661 25.38821 25.49386 25.46921 25.63016 25.59161
[2,] 26.60438 26.76003 26.89339 26.87179 27.01614 27.21079 27.22984 27.17839
         [,9]    [,10]    [,11]    [,12]
[1,] 25.80352 25.73127 25.71337 25.42397
[2,] 27.10648 27.09873 27.10663 26.45603

$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(23.9, 25.35, 25.94, 26.38, 26.93, 24.06, 25.36,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5frzi1355313661.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,] 23.90 25.340 25.710 26.260 26.480 26.310   NA
[2,] 24.36 25.355 25.965 26.355 26.625 26.530   NA
[3,] 24.66 25.565 26.125 26.710 26.910 26.595   NA
[4,] 25.11 25.715 26.195 27.000 26.940 26.720   NA
[5,] 25.17 25.740 26.340 27.140 27.050 26.800   NA

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

$conf
         [,1]    [,2]    [,3]     [,4]     [,5]     [,6] [,7]
[1,] 24.31792 25.4008 26.0201 26.41581 26.76633 26.50834   NA
[2,] 25.00208 25.7292 26.2299 27.00419 27.05367 26.68166   NA

$out
[1] 25.71 26.17

$group
[1] 5 6

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

Warning message:
In bxp(list(stats = c(23.9, 24.36, 24.66, 25.11, 25.17, 25.34, 25.355,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6vwka1355313661.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,] 0.5611565 1.510 0.71500
[2,] 0.7040721 1.850 0.85500
[3,] 0.8996563 2.405 0.90750
[4,] 0.9633755 2.670 1.01625
[5,] 1.0534894 3.030 1.14250

$n
[1] 12 12 12

$conf
          [,1]     [,2]      [,3]
[1,] 0.7813863 2.030992 0.8339528
[2,] 1.0179263 2.779008 0.9810472

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.561156543815242, 0.704072139639566, 0.899656309739226,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1w82h1355313661.ps tmp/1w82h1355313661.png",intern=TRUE))
character(0)
> try(system("convert tmp/2ewio1355313661.ps tmp/2ewio1355313661.png",intern=TRUE))
character(0)
> try(system("convert tmp/3u4qx1355313661.ps tmp/3u4qx1355313661.png",intern=TRUE))
character(0)
> try(system("convert tmp/49c3e1355313661.ps tmp/49c3e1355313661.png",intern=TRUE))
character(0)
> try(system("convert tmp/5frzi1355313661.ps tmp/5frzi1355313661.png",intern=TRUE))
character(0)
> try(system("convert tmp/6vwka1355313661.ps tmp/6vwka1355313661.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  4.675   1.060   5.682