R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(2.57,2.58,2.58,2.58,2.57,2.57,2.57,2.57,2.59,2.62,2.66,2.67,2.67,2.69,2.69,2.69,2.69,2.71,2.71,2.71,2.74,2.77,2.82,2.82,2.82,2.8,2.82,2.82,2.82,2.82,2.82,2.82,2.85,2.93,2.94,2.94,2.95,2.95,2.96,2.96,2.97,2.97,2.97,2.97,2.98,3.03,3.03,3.03,3.03,3.04,3.05,3.06,3.06,3.07,3.07,3.07,3.04,3.06,3.09,3.09,3.09,3.09,3.1,3.1,3.1,3.1,3.1,3.11,3.11,3.17,3.19,3.19,3.19,3.19,3.19,3.19,3.19,3.19,3.19,3.19,3.25,3.23,3.24,3.24)
> 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] 84
> (np <- floor(n / par1))
[1] 7
> 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] 7 7 7 7 7 7 7 7 7 7 7 7
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
 [1,] 2.57 2.67 2.82 2.95 3.03 3.09 3.19   NA
 [2,] 2.58 2.69 2.80 2.95 3.04 3.09 3.19   NA
 [3,] 2.58 2.69 2.82 2.96 3.05 3.10 3.19   NA
 [4,] 2.58 2.69 2.82 2.96 3.06 3.10 3.19   NA
 [5,] 2.57 2.69 2.82 2.97 3.06 3.10 3.19   NA
 [6,] 2.57 2.71 2.82 2.97 3.07 3.10 3.19   NA
 [7,] 2.57 2.71 2.82 2.97 3.07 3.10 3.19   NA
 [8,] 2.57 2.71 2.82 2.97 3.07 3.11 3.19   NA
 [9,] 2.59 2.74 2.85 2.98 3.04 3.11 3.25   NA
[10,] 2.62 2.77 2.93 3.03 3.06 3.17 3.23   NA
[11,] 2.66 2.82 2.94 3.03 3.09 3.19 3.24   NA
[12,] 2.67 2.82 2.94 3.03 3.09 3.19 3.24   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/13x4p1386189817.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/2jhzs1386189817.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/32rlt1386189817.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/495hl1386189817.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,] 2.570 2.580 2.580 2.580 2.570 2.570 2.570 2.570 2.590 2.620  2.66  2.67
[2,] 2.745 2.745 2.755 2.755 2.755 2.765 2.765 2.765 2.795 2.850  2.88  2.88
[3,] 2.950 2.950 2.960 2.960 2.970 2.970 2.970 2.970 2.980 3.030  3.03  3.03
[4,] 3.060 3.065 3.075 3.080 3.080 3.085 3.085 3.090 3.075 3.115  3.14  3.14
[5,] 3.190 3.190 3.190 3.190 3.190 3.190 3.190 3.190 3.250 3.230  3.24  3.24

$n
 [1] 7 7 7 7 7 7 7 7 7 7 7 7

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 2.761887 2.758901 2.768901 2.765915 2.775915 2.778901 2.778901 2.775915
[2,] 3.138113 3.141099 3.151099 3.154085 3.164085 3.161099 3.161099 3.164085
         [,9]    [,10]    [,11]    [,12]
[1,] 2.812789 2.871746 2.874732 2.874732
[2,] 3.147211 3.188254 3.185268 3.185268

$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(2.57, 2.745, 2.95, 3.06, 3.19, 2.58, 2.745,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5isab1386189817.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] [,8]
[1,] 2.570 2.670 2.80 2.950 3.030 3.09 3.190   NA
[2,] 2.570 2.690 2.82 2.960 3.045 3.10 3.190   NA
[3,] 2.580 2.710 2.82 2.970 3.060 3.10 3.190   NA
[4,] 2.605 2.755 2.89 3.005 3.070 3.14 3.235   NA
[5,] 2.620 2.820 2.94 3.030 3.090 3.19 3.250   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7] [,8]
[1,] 2.564036 2.680353 2.788073 2.949475 3.048597 3.081756 3.169475   NA
[2,] 2.595964 2.739647 2.851927 2.990525 3.071403 3.118244 3.210525   NA

$out
[1] 2.66 2.67

$group
[1] 1 1

$names
[1] "1" "2" "3" "4" "5" "6" "7" NA 

Warning message:
In bxp(list(stats = c(2.57, 2.57, 2.58, 2.605, 2.62, 2.67, 2.69,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6jrbw1386189817.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,] 0.2173104 0.610 0.2600
[2,] 0.2201921 0.610 0.2725
[3,] 0.2257682 0.615 0.3200
[4,] 0.2263636 0.620 0.3225
[5,] 0.2282438 0.620 0.3250

$n
[1] 12 12 12

$conf
          [,1]      [,2]      [,3]
[1,] 0.2229533 0.6104389 0.2971947
[2,] 0.2285830 0.6195611 0.3428053

$out
[1] 0.2058201 0.2031185 0.6600000 0.5800000 0.5700000

$group
[1] 1 1 2 2 2

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

Warning message:
In bxp(list(stats = c(0.21731039902363, 0.220192082158212, 0.225768191545434,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/13x4p1386189817.ps tmp/13x4p1386189817.png",intern=TRUE))
character(0)
> try(system("convert tmp/2jhzs1386189817.ps tmp/2jhzs1386189817.png",intern=TRUE))
character(0)
> try(system("convert tmp/32rlt1386189817.ps tmp/32rlt1386189817.png",intern=TRUE))
character(0)
> try(system("convert tmp/495hl1386189817.ps tmp/495hl1386189817.png",intern=TRUE))
character(0)
> try(system("convert tmp/5isab1386189817.ps tmp/5isab1386189817.png",intern=TRUE))
character(0)
> try(system("convert tmp/6jrbw1386189817.ps tmp/6jrbw1386189817.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  4.847   1.117   5.955