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(11.98,11.79,11.66,11.96,11.83,12.36,12.53,12.55,12.53,12.24,12.34,12.05,12.22,12.23,11.92,12.13,12.1,12.15,12.23,12.08,12.02,11.93,12.16,11.87,11.93,11.79,11.43,11.63,11.93,11.89,11.83,11.59,12.04,11.81,11.9,11.72,11.91,11.94,11.91,11.84,12.01,11.89,11.8,11.7,11.5,11.76,11.61,11.27,11.64,11.39,11.54,11.62,11.59,11.44,11.31,11.56,11.4,11.51,11.5,11.24,11.8,11.87,11.86,12.11,11.92,12.61,13.34,13.31,13.47,13.24,13.18,13.3)
> 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,] 11.98 12.22 11.93 11.91 11.64 11.80   NA
 [2,] 11.79 12.23 11.79 11.94 11.39 11.87   NA
 [3,] 11.66 11.92 11.43 11.91 11.54 11.86   NA
 [4,] 11.96 12.13 11.63 11.84 11.62 12.11   NA
 [5,] 11.83 12.10 11.93 12.01 11.59 11.92   NA
 [6,] 12.36 12.15 11.89 11.89 11.44 12.61   NA
 [7,] 12.53 12.23 11.83 11.80 11.31 13.34   NA
 [8,] 12.55 12.08 11.59 11.70 11.56 13.31   NA
 [9,] 12.53 12.02 12.04 11.50 11.40 13.47   NA
[10,] 12.24 11.93 11.81 11.76 11.51 13.24   NA
[11,] 12.34 12.16 11.90 11.61 11.50 13.18   NA
[12,] 12.05 11.87 11.72 11.27 11.24 13.30   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/1399p1210688532.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/2xd221210688532.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/3pfp81210688532.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/4gnkq1210688532.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]  [,12]
[1,] 11.64 11.79 11.43 11.62 11.590 11.44 11.31 11.56 11.40 11.51 11.50 11.240
[2,] 11.80 11.79 11.54 11.63 11.830 11.89 11.80 11.59 11.50 11.76 11.61 11.270
[3,] 11.92 11.83 11.76 11.90 11.925 12.02 12.03 11.89 12.03 11.87 12.03 11.795
[4,] 11.98 11.94 11.91 12.11 12.010 12.36 12.53 12.55 12.53 12.24 12.34 12.050
[5,] 12.22 11.94 11.92 12.13 12.100 12.61 13.34 13.31 13.47 12.24 13.18 12.050

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 11.80389 11.73325 11.52134 11.59038 11.80889 11.71683 11.55913 11.27077
[2,] 12.03611 11.92675 11.99866 12.20962 12.04111 12.32317 12.50087 12.50923
         [,9]    [,10]    [,11]    [,12]
[1,] 11.36562 11.56038 11.55913 11.29187
[2,] 12.69438 12.17962 12.50087 12.29813

$out
[1] 12.23 11.39 13.24 13.30

$group
[1]  2  2 10 12

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

Warning message:
In bxp(list(stats = c(11.64, 11.8, 11.92, 11.98, 12.22, 11.79, 11.79,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5w67j1210688532.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,] 11.660 11.870 11.430 11.500 11.240 11.800   NA
[2,] 11.895 11.975 11.675 11.655 11.395 11.895   NA
[3,] 12.145 12.115 11.820 11.820 11.505 12.895   NA
[4,] 12.445 12.190 11.915 11.910 11.575 13.305   NA
[5,] 12.550 12.230 12.040 12.010 11.640 13.470   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]    [,5]     [,6] [,7]
[1,] 11.89414 12.01694 11.71053 11.70369 11.4229 12.25189   NA
[2,] 12.39586 12.21306 11.92947 11.93631 11.5871 13.53811   NA

$out
[1] 11.27

$group
[1] 4

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

Warning message:
In bxp(list(stats = c(11.66, 11.895, 12.145, 12.445, 12.55, 11.87,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6gu461210688532.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,] 0.1756891 0.490 0.13250
[2,] 0.2164545 0.545 0.23375
[3,] 0.5107513 1.425 0.40375
[4,] 0.6975714 1.890 0.63500
[5,] 0.7616036 2.070 0.81500

$n
[1] 12 12 12

$conf
          [,1]      [,2]      [,3]
[1,] 0.2913107 0.8115365 0.2207372
[2,] 0.7301920 2.0384635 0.5867628

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.175689119374726, 0.216454526257263, 0.510751308896644,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1399p1210688532.ps tmp/1399p1210688532.png")
> system("convert tmp/2xd221210688532.ps tmp/2xd221210688532.png")
> system("convert tmp/3pfp81210688532.ps tmp/3pfp81210688532.png")
> system("convert tmp/4gnkq1210688532.ps tmp/4gnkq1210688532.png")
> system("convert tmp/5w67j1210688532.ps tmp/5w67j1210688532.png")
> system("convert tmp/6gu461210688532.ps tmp/6gu461210688532.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.834   1.203   1.995