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(8.7,8.7,8.6,8.5,8.3,8,8.2,8.1,8.1,8,7.9,7.9,8,8,7.9,8,7.7,7.2,7.5,7.3,7,7,7,7.2,7.3,7.1,6.8,6.4,6.1,6.5,7.7,7.9,7.5,6.9,6.6,6.9,7.7,8,8,7.7,7.3,7.4,8.1,8.3,8.1,7.9,7.9,8.3,8.6,8.7,8.5,8.3,8,8,8.8,8.7,8.5,8.1,7.8,7.7,7.5,7.2,6.9,6.6,6.5,6.6,7.7,8,7.7,7.2,7,7,7.3,7.3,7.1,6.9,6.7,6.8,7.5)
> 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] 79
> (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] 7 7 7 7 7 7 7 6 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,]  8.7  8.0  7.3  7.7  8.6  7.5  7.3
 [2,]  8.7  8.0  7.1  8.0  8.7  7.2  7.3
 [3,]  8.6  7.9  6.8  8.0  8.5  6.9  7.1
 [4,]  8.5  8.0  6.4  7.7  8.3  6.6  6.9
 [5,]  8.3  7.7  6.1  7.3  8.0  6.5  6.7
 [6,]  8.0  7.2  6.5  7.4  8.0  6.6  6.8
 [7,]  8.2  7.5  7.7  8.1  8.8  7.7  7.5
 [8,]  8.1  7.3  7.9  8.3  8.7  8.0   NA
 [9,]  8.1  7.0  7.5  8.1  8.5  7.7   NA
[10,]  8.0  7.0  6.9  7.9  8.1  7.2   NA
[11,]  7.9  7.0  6.6  7.9  7.8  7.0   NA
[12,]  7.9  7.2  6.9  8.3  7.7  7.0   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/fisher/rcomp/tmp/10uoh1355418139.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/fisher/rcomp/tmp/206h61355418139.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/fisher/rcomp/tmp/37rdi1355418139.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/fisher/rcomp/tmp/4l0fc1355418139.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,]  7.3 7.10 6.80 6.40 6.10  6.5 7.50 7.30  7.0  6.90   6.6  6.90
[2,]  7.4 7.25 7.00 6.75 6.60  6.7 7.60 7.90  7.5  7.00   7.0  7.00
[3,]  7.7 8.00 7.90 7.70 7.30  7.2 7.70 8.05  7.9  7.55   7.4  7.45
[4,]  8.3 8.35 8.25 8.15 7.85  7.7 8.15 8.30  8.1  8.00   7.9  7.90
[5,]  8.7 8.70 8.60 8.50 8.30  8.0 8.80 8.70  8.5  8.10   7.9  8.30

$n
 [1] 7 7 7 7 7 7 7 6 6 6 6 6

$conf
         [,1]     [,2]    [,3]     [,4]    [,5]     [,6]     [,7]     [,8]
[1,] 7.162535 7.343098 7.15352 6.863943 6.55352 6.602816 7.371549 7.791987
[2,] 8.237465 8.656902 8.64648 8.536057 8.04648 7.797184 8.028451 8.308013
         [,9]    [,10]    [,11]    [,12]
[1,] 7.512981 6.904968 6.819471 6.869471
[2,] 8.287019 8.195032 7.980529 8.030529

$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(7.3, 7.4, 7.7, 8.3, 8.7, 7.1, 7.25, 8, 8.35,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/554461355418139.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,] 7.90 7.00 6.10 7.30 7.70 6.50 6.70
[2,] 8.00 7.10 6.55 7.70 8.00 6.75 6.85
[3,] 8.15 7.40 6.90 7.95 8.40 7.10 7.10
[4,] 8.55 7.95 7.40 8.10 8.65 7.60 7.30
[5,] 8.70 8.00 7.90 8.30 8.80 8.00 7.50

$n
[1] 12 12 12 12 12 12  7

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]
[1,] 7.899141 7.012309 6.512309 7.767557 8.103531 6.712309 6.831267
[2,] 8.400859 7.787691 7.287691 8.132443 8.696469 7.487691 7.368733

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7.9, 8, 8.15, 8.55, 8.7, 7, 7.1, 7.4, 7.95,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/fisher/rcomp/tmp/65l5z1355418139.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,] 0.4636809 1.20 0.3250
[2,] 0.5363165 1.35 0.6750
[3,] 0.5765854 1.45 0.9125
[4,] 0.7159212 1.70 1.1750
[5,] 0.8474050 2.20 1.4000

$n
[1] 12 12 12

$conf
          [,1]     [,2]      [,3]
[1,] 0.4946665 1.290363 0.6844466
[2,] 0.6585043 1.609637 1.1405534

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.463680924774785, 0.536316489633119, 0.57658541744755,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/10uoh1355418139.ps tmp/10uoh1355418139.png",intern=TRUE))
character(0)
> try(system("convert tmp/206h61355418139.ps tmp/206h61355418139.png",intern=TRUE))
character(0)
> try(system("convert tmp/37rdi1355418139.ps tmp/37rdi1355418139.png",intern=TRUE))
character(0)
> try(system("convert tmp/4l0fc1355418139.ps tmp/4l0fc1355418139.png",intern=TRUE))
character(0)
> try(system("convert tmp/554461355418139.ps tmp/554461355418139.png",intern=TRUE))
character(0)
> try(system("convert tmp/65l5z1355418139.ps tmp/65l5z1355418139.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.077   0.845   3.914