R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(6.59,6.59,6.59,6.59,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.63,6.79,6.79,6.79,6.81,6.80,6.80,6.85,6.85,6.85,6.85,6.85,6.85,6.86,6.86,6.88,6.88,6.88,6.91,6.91,6.91,6.91,6.99,6.99,6.99,7.02,7.02,7.05,7.05,7.05,7.05,7.10,7.10,7.10,7.10,7.12,7.13,7.18,7.24,7.24,7.24,7.27,7.27,7.27,7.27,7.30,7.30,7.57,7.76,7.94,7.94,7.96)
> par1 = '12'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> 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,] 6.59 6.63 6.81 6.88 7.05 7.24   NA
 [2,] 6.59 6.63 6.80 6.88 7.05 7.27   NA
 [3,] 6.59 6.63 6.80 6.91 7.05 7.27   NA
 [4,] 6.59 6.63 6.85 6.91 7.10 7.27   NA
 [5,] 6.63 6.63 6.85 6.91 7.10 7.27   NA
 [6,] 6.63 6.63 6.85 6.91 7.10 7.30   NA
 [7,] 6.63 6.63 6.85 6.99 7.10 7.30   NA
 [8,] 6.63 6.63 6.85 6.99 7.12 7.57   NA
 [9,] 6.63 6.63 6.85 6.99 7.13 7.76   NA
[10,] 6.63 6.79 6.86 7.02 7.18 7.94   NA
[11,] 6.63 6.79 6.86 7.02 7.24 7.94   NA
[12,] 6.63 6.79 6.88 7.05 7.24 7.96   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/www/html/rcomp/tmp/1qwen1291272671.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/www/html/rcomp/tmp/2j5vq1291272671.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/www/html/rcomp/tmp/3j5vq1291272671.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/www/html/rcomp/tmp/4uwcb1291272671.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,] 6.590 6.59 6.590 6.59 6.63 6.63 6.63 6.63 6.63  6.63  6.63 6.630
[2,] 6.630 6.63 6.630 6.63 6.63 6.63 6.63 6.63 6.63  6.79  6.79 6.790
[3,] 6.845 6.84 6.855 6.88 6.88 6.88 6.92 6.92 6.92  6.94  6.94 6.965
[4,] 7.050 7.05 7.050 7.10 7.10 7.10 7.10 7.12 7.13  7.18  7.24 7.240
[5,] 7.240 7.27 7.270 7.27 7.27 7.30 7.30 7.57 7.76  7.18  7.24 7.240

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6.574086 6.569086 6.584086 6.576835 6.576835 6.576835 6.616835 6.603934
[2,] 7.115914 7.110914 7.125914 7.183165 7.183165 7.183165 7.223165 7.236066
         [,9]    [,10]    [,11]    [,12]
[1,] 6.597484 6.688437 6.649735 6.674735
[2,] 7.242516 7.191563 7.230265 7.255265

$out
[1] 7.94 7.94 7.96

$group
[1] 10 11 12

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

Warning message:
In bxp(list(stats = c(6.59, 6.63, 6.845, 7.05, 7.24, 6.59, 6.63,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5uwcb1291272671.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,] 6.59 6.63 6.800 6.880 7.050 7.24   NA
[2,] 6.59 6.63 6.830 6.910 7.075 7.27   NA
[3,] 6.63 6.63 6.850 6.950 7.100 7.30   NA
[4,] 6.63 6.71 6.855 7.005 7.155 7.85   NA
[5,] 6.63 6.79 6.880 7.050 7.240 7.96   NA

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

$conf
         [,1]     [,2]     [,3]    [,4]     [,5]     [,6] [,7]
[1,] 6.611756 6.593511 6.838597 6.90667 7.063511 7.035458   NA
[2,] 6.648244 6.666489 6.861403 6.99333 7.136489 7.564542   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(6.59, 6.59, 6.63, 6.63, 6.63, 6.63, 6.63,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6uwcb1291272671.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,] 0.2485692 0.64 0.33250
[2,] 0.2584858 0.67 0.33875
[3,] 0.2651513 0.68 0.36750
[4,] 0.4442501 1.22 0.38375
[5,] 0.4746964 1.33 0.41000

$n
[1] 12 12 12

$conf
          [,1]      [,2]      [,3]
[1,] 0.1804230 0.4291413 0.3469752
[2,] 0.3498796 0.9308587 0.3880248

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.248569239180287, 0.258485844501991, 0.265151296734720,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1qwen1291272671.ps tmp/1qwen1291272671.png",intern=TRUE))
character(0)
> try(system("convert tmp/2j5vq1291272671.ps tmp/2j5vq1291272671.png",intern=TRUE))
character(0)
> try(system("convert tmp/3j5vq1291272671.ps tmp/3j5vq1291272671.png",intern=TRUE))
character(0)
> try(system("convert tmp/4uwcb1291272671.ps tmp/4uwcb1291272671.png",intern=TRUE))
character(0)
> try(system("convert tmp/5uwcb1291272671.ps tmp/5uwcb1291272671.png",intern=TRUE))
character(0)
> try(system("convert tmp/6uwcb1291272671.ps tmp/6uwcb1291272671.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.090   0.844   4.739