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(23.15,23.18,23.32,23.37,23.43,23.65,23.76,23.81,23.85,23.83,23.85,23.71,23.74,23.87,24.13,24.23,24.27,24.41,24.39,24.34,24.31,24.34,24.41,24.39,24.54,24.9,25.63,26.7,27.12,27.68,27.84,27.84,27.77,27.8,27.82,27.72,27.87,27.83,28.07,28.05,28.15,28.3,28.41,28.43,28.43,28.29,28.19,27.53,27.92,27.98,27.92,27.89,27.95,28.02,27.97,27.81,27.78,27.56,27.52,27.18,27.18,27.26,27.38,27.31,27.43,27.4,27.32,27.31,27.34,27.3,27.3,26.94)
> 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,] 23.15 23.74 24.54 27.87 27.92 27.18   NA
 [2,] 23.18 23.87 24.90 27.83 27.98 27.26   NA
 [3,] 23.32 24.13 25.63 28.07 27.92 27.38   NA
 [4,] 23.37 24.23 26.70 28.05 27.89 27.31   NA
 [5,] 23.43 24.27 27.12 28.15 27.95 27.43   NA
 [6,] 23.65 24.41 27.68 28.30 28.02 27.40   NA
 [7,] 23.76 24.39 27.84 28.41 27.97 27.32   NA
 [8,] 23.81 24.34 27.84 28.43 27.81 27.31   NA
 [9,] 23.85 24.31 27.77 28.43 27.78 27.34   NA
[10,] 23.83 24.34 27.80 28.29 27.56 27.30   NA
[11,] 23.85 24.41 27.82 28.19 27.52 27.30   NA
[12,] 23.71 24.39 27.72 27.53 27.18 26.94   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/13g551353927299.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/2cyva1353927299.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/3ri041353927299.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/47f2b1353927299.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,] 23.15 23.18 23.320 23.370 23.430 23.65 23.76 23.81 23.850 23.83 23.85
[2,] 23.74 23.87 24.130 24.230 24.270 24.41 24.39 24.34 24.310 24.34 24.41
[3,] 25.86 26.08 26.505 27.005 27.275 27.54 27.58 27.56 27.555 27.43 27.41
[4,] 27.87 27.83 27.920 27.890 27.950 28.02 27.97 27.84 27.780 27.80 27.82
[5,] 27.92 27.98 28.070 28.050 28.150 28.30 28.41 28.43 28.430 28.29 28.19
     [,12]
[1,] 23.71
[2,] 24.39
[3,] 27.06
[4,] 27.53
[5,] 27.72

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 23.19602 23.52567 24.06033 24.64418 24.90128 25.21143 25.27078 25.30239
[2,] 28.52398 28.63433 28.94967 29.36582 29.64872 29.86857 29.88922 29.81761
         [,9]    [,10]    [,11]   [,12]
[1,] 25.31674 25.19819 25.21044 25.0346
[2,] 29.79326 29.66181 29.60956 29.0854

$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(23.15, 23.74, 25.86, 27.87, 27.92, 23.18,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/55q4z1353927299.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,] 23.150 23.870 24.540 27.530 27.520 27.18   NA
[2,] 23.345 24.180 26.165 27.960 27.670 27.28   NA
[3,] 23.680 24.325 27.700 28.170 27.905 27.31   NA
[4,] 23.820 24.390 27.810 28.355 27.960 27.36   NA
[5,] 23.850 24.410 27.840 28.430 28.020 27.43   NA

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

$conf
         [,1]     [,2]    [,3]     [,4]     [,5]     [,6] [,7]
[1,] 23.46335 24.22922 26.9497 27.98984 27.77273 27.27351   NA
[2,] 23.89665 24.42078 28.4503 28.35016 28.03727 27.34649   NA

$out
[1] 23.74 27.18 26.94

$group
[1] 2 5 6

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

Warning message:
In bxp(list(stats = c(23.15, 23.345, 23.68, 23.82, 23.85, 23.87,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6t5761353927299.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,] 1.879795 4.340 2.41500
[2,] 1.946922 4.520 2.68500
[3,] 1.997551 4.650 2.79625
[4,] 2.026313 4.735 3.08875
[5,] 2.116418 4.800 3.56000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.961340 4.551937 2.612097
[2,] 2.033761 4.748063 2.980403

$out
[1] 2.168443 1.735013 4.010000 3.757500

$group
[1] 1 1 2 3

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

Warning message:
In bxp(list(stats = c(1.87979520161107, 1.94692174114279, 1.99755072072517,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/13g551353927299.ps tmp/13g551353927299.png",intern=TRUE))
character(0)
> try(system("convert tmp/2cyva1353927299.ps tmp/2cyva1353927299.png",intern=TRUE))
character(0)
> try(system("convert tmp/3ri041353927299.ps tmp/3ri041353927299.png",intern=TRUE))
character(0)
> try(system("convert tmp/47f2b1353927299.ps tmp/47f2b1353927299.png",intern=TRUE))
character(0)
> try(system("convert tmp/55q4z1353927299.ps tmp/55q4z1353927299.png",intern=TRUE))
character(0)
> try(system("convert tmp/6t5761353927299.ps tmp/6t5761353927299.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.349   1.022   6.708