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(8.41,8.39,8.43,8.44,8.49,8.47,8.53,8.52,8.51,8.53,8.54,8.53,8.47,8.63,8.67,8.73,8.57,8.55,8.63,8.65,8.44,8.62,8.37,8.59,8.84,8.72,8.8,8.69,8.68,8.57,8.85,8.85,8.85,8.93,8.75,8.78,8.77,9.03,9.01,9.07,8.99,9.02,8.99,8.98,8.94,8.94,8.75,8.86,8.87,8.84,8.84,9.91,10.18,10.34,10.36,10.26,10.16,10.31,10.46,10.54,10.47,10.48,10.46,11.3,11.58,11.69,11.63,11.51,11.37,11.42,11.7,11.75)
> 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,] 8.41 8.47 8.84 8.77  8.87 10.47   NA
 [2,] 8.39 8.63 8.72 9.03  8.84 10.48   NA
 [3,] 8.43 8.67 8.80 9.01  8.84 10.46   NA
 [4,] 8.44 8.73 8.69 9.07  9.91 11.30   NA
 [5,] 8.49 8.57 8.68 8.99 10.18 11.58   NA
 [6,] 8.47 8.55 8.57 9.02 10.34 11.69   NA
 [7,] 8.53 8.63 8.85 8.99 10.36 11.63   NA
 [8,] 8.52 8.65 8.85 8.98 10.26 11.51   NA
 [9,] 8.51 8.44 8.85 8.94 10.16 11.37   NA
[10,] 8.53 8.62 8.93 8.94 10.31 11.42   NA
[11,] 8.54 8.37 8.75 8.75 10.46 11.70   NA
[12,] 8.53 8.59 8.78 8.86 10.54 11.75   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/1fdvo1355135107.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/2k4ca1355135107.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/3z14w1355135107.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/4c32y1355135107.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,] 8.410 8.39 8.43  8.44  8.490  8.470  8.53  8.520  8.440  8.530  8.37  8.53
[2,] 8.470 8.63 8.67  8.69  8.570  8.550  8.63  8.650  8.510  8.620  8.54  8.59
[3,] 8.805 8.78 8.82  8.90  8.835  8.795  8.92  8.915  8.895  8.935  8.75  8.82
[4,] 8.870 9.03 9.01  9.91 10.180 10.340 10.36 10.260 10.160 10.310 10.46 10.54
[5,] 8.870 9.03 9.01 11.30 11.580 11.690 11.63 11.510 11.370 11.420 11.70 11.75

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]      [,7]     [,8]
[1,] 8.546987 8.521987 8.600689 8.113061 7.796498 7.640392  7.804094 7.876498
[2,] 9.063013 9.038013 9.039311 9.686939 9.873502 9.949608 10.035906 9.953502
         [,9]     [,10]    [,11]     [,12]
[1,] 7.830697  7.844895 7.511538  7.562187
[2,] 9.959303 10.025105 9.988462 10.077813

$out
[1] 10.47 10.48 10.46

$group
[1] 1 2 3

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

Warning message:
In bxp(list(stats = c(8.41, 8.47, 8.805, 8.87, 8.87, 8.39, 8.63,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5c7ct1355135107.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,] 8.390 8.370 8.570 8.750  8.84 10.460   NA
[2,] 8.435 8.510 8.705 8.900  9.39 10.890   NA
[3,] 8.500 8.605 8.790 8.985 10.22 11.465   NA
[4,] 8.530 8.640 8.850 9.015 10.35 11.660   NA
[5,] 8.540 8.730 8.930 9.070 10.54 11.750   NA

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

$conf
        [,1]     [,2]     [,3]     [,4]      [,5]    [,6] [,7]
[1,] 8.45667 8.545706 8.723865 8.932548  9.782138 11.1138   NA
[2,] 8.54333 8.664294 8.856135 9.037452 10.657862 11.8162   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(8.39, 8.435, 8.5, 8.53, 8.54, 8.37, 8.51,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6pv6d1355135107.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,] 0.7243963 2.030 0.26500
[2,] 0.9199833 2.475 0.66500
[3,] 1.1691422 2.960 1.26500
[4,] 1.2721505 3.160 1.38625
[5,] 1.3456807 3.330 1.48250

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.008516 2.647567 0.936033
[2,] 1.329768 3.272433 1.593967

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.72439630037708, 0.919983343603703, 1.16914215305364,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1fdvo1355135107.ps tmp/1fdvo1355135107.png",intern=TRUE))
character(0)
> try(system("convert tmp/2k4ca1355135107.ps tmp/2k4ca1355135107.png",intern=TRUE))
character(0)
> try(system("convert tmp/3z14w1355135107.ps tmp/3z14w1355135107.png",intern=TRUE))
character(0)
> try(system("convert tmp/4c32y1355135107.ps tmp/4c32y1355135107.png",intern=TRUE))
character(0)
> try(system("convert tmp/5c7ct1355135107.ps tmp/5c7ct1355135107.png",intern=TRUE))
character(0)
> try(system("convert tmp/6pv6d1355135107.ps tmp/6pv6d1355135107.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.769   0.629   4.384