R version 2.6.2 (2008-02-08)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(20.66,20.66,20.67,20.71,20.73,20.73,20.74,20.74,20.75,20.75,20.77,20.78,20.78,20.8,20.84,20.85,20.86,20.86,20.86,20.86,20.9,20.92,20.95,20.95,20.95,20.96,21.1,21.18,21.19,21.19,21.19,21.19,21.19,21.21,21.22,21.22,21.22,21.23,21.41,21.42,21.43,21.44,21.44,21.44,21.48,21.53,21.54,21.54,21.54,21.54,21.54,21.54,21.54,21.54,21.54,21.54,21.57,21.6,21.61,21.6,21.6,21.71,21.75,21.84,21.85,21.92,21.92,21.93,22,22,21.99,22.01,22.01)
> 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] 73
> (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 6 6 6 6 6 6 6 6 6 6 6
> arr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7]
 [1,] 20.66 20.78 20.95 21.22 21.54 21.60 22.01
 [2,] 20.66 20.80 20.96 21.23 21.54 21.71    NA
 [3,] 20.67 20.84 21.10 21.41 21.54 21.75    NA
 [4,] 20.71 20.85 21.18 21.42 21.54 21.84    NA
 [5,] 20.73 20.86 21.19 21.43 21.54 21.85    NA
 [6,] 20.73 20.86 21.19 21.44 21.54 21.92    NA
 [7,] 20.74 20.86 21.19 21.44 21.54 21.92    NA
 [8,] 20.74 20.86 21.19 21.44 21.54 21.93    NA
 [9,] 20.75 20.90 21.19 21.48 21.57 22.00    NA
[10,] 20.75 20.92 21.21 21.53 21.60 22.00    NA
[11,] 20.77 20.95 21.22 21.54 21.61 21.99    NA
[12,] 20.78 20.95 21.22 21.54 21.60 22.01    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/freestat/rcomp/tmp/1hikk1211058560.ps",horizontal=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/freestat/rcomp/tmp/2tog71211058560.ps",horizontal=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/freestat/rcomp/tmp/3invn1211058560.ps",horizontal=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/freestat/rcomp/tmp/4xmwf1211058560.ps",horizontal=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,] 20.660 20.660 20.670 20.71 20.73 20.730 20.740 20.740 20.750 20.75 20.77
[2,] 20.865 20.800 20.840 20.85 20.86 20.860 20.860 20.860 20.900 20.92 20.95
[3,] 21.220 21.095 21.255 21.30 21.31 21.315 21.315 21.315 21.335 21.37 21.38
[4,] 21.570 21.540 21.540 21.54 21.54 21.540 21.540 21.540 21.570 21.60 21.61
[5,] 22.010 21.710 21.750 21.84 21.85 21.920 21.920 21.930 22.000 22.00 21.99
     [,12]
[1,] 20.78
[2,] 20.95
[3,] 21.38
[4,] 21.60
[5,] 22.01

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 20.79899 20.61768 20.80348 20.85493 20.87138 20.87638 20.87638 20.87638
[2,] 21.64101 21.57232 21.70652 21.74507 21.74862 21.75362 21.75362 21.75362
         [,9]    [,10]    [,11]    [,12]
[1,] 20.90283 20.93138 20.95428 20.96073
[2,] 21.76717 21.80862 21.80572 21.79927

$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(20.66, 20.865, 21.22, 21.57, 22.01, 20.66,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5m19b1211058560.ps",horizontal=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,] 20.660 20.780 21.10 21.410 21.540 21.600 22.01
[2,] 20.690 20.845 21.14 21.415 21.540 21.795 22.01
[3,] 20.735 20.860 21.19 21.440 21.540 21.920 22.01
[4,] 20.750 20.910 21.20 21.505 21.585 21.995 22.01
[5,] 20.780 20.950 21.22 21.540 21.610 22.010 22.01

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]  [,7]
[1,] 20.70763 20.83035 21.16263 21.39895 21.51948 21.82878 22.01
[2,] 20.76237 20.88965 21.21737 21.48105 21.56052 22.01122 22.01

$out
[1] 20.95 20.96 21.22 21.23

$group
[1] 3 3 4 4

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

Warning message:
In bxp(list(stats = c(20.66, 20.69, 20.735, 20.75, 20.78, 20.78,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6v7fn1211058560.ps",horizontal=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,] 0.4173248 1.050 0.56750
[2,] 0.4264070 1.125 0.57250
[3,] 0.4451441 1.190 0.57500
[4,] 0.4587400 1.240 0.59625
[5,] 0.4905925 1.350 0.62250

$n
[1] 12 12 12

$conf
          [,1]     [,2]      [,3]
[1,] 0.4303968 1.137548 0.5641675
[2,] 0.4598914 1.242452 0.5858325

$out
[1] 0.705

$group
[1] 3

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

Warning message:
In bxp(list(stats = c(0.417324813544558, 0.426407045631316, 0.445144118433208,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1hikk1211058560.ps tmp/1hikk1211058560.png")
> system("convert tmp/2tog71211058560.ps tmp/2tog71211058560.png")
> system("convert tmp/3invn1211058560.ps tmp/3invn1211058560.png")
> system("convert tmp/4xmwf1211058560.ps tmp/4xmwf1211058560.png")
> system("convert tmp/5m19b1211058560.ps tmp/5m19b1211058560.png")
> system("convert tmp/6v7fn1211058560.ps tmp/6v7fn1211058560.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.794   1.162   1.939