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(68.64,68.61,68.61,68.61,68.58,68.75,68.54,68.5,68.47,68.47,68.47,68.59,68.32,67.86,67.91,67.91,68.05,68.15,68.25,68.25,68.31,68.31,69.65,69.65,70.18,70.08,70.08,70.09,70.04,70.14,70.26,70.23,70.54,70.54,70.57,70.61,70.63,70.45,70.4,70.4,70.33,70.51,70.45,70.39,70.59,70.59,70.32,70.94,70.44,70.57,70.61,70.61,70.68,69.96,70.11,70.22,70.49,70.49,70.58,70.85,70.69,70.7,70.7,70.7,70.67,70.64,70.98,70.75,70.88,70.88,70.92,70.89,71.02,71.01,71.02)
> 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] 75
> (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 6 6 6 6 6 6 6 6 6
> arr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7]
 [1,] 68.64 68.32 70.18 70.63 70.44 70.69 71.02
 [2,] 68.61 67.86 70.08 70.45 70.57 70.70 71.01
 [3,] 68.61 67.91 70.08 70.40 70.61 70.70 71.02
 [4,] 68.61 67.91 70.09 70.40 70.61 70.70    NA
 [5,] 68.58 68.05 70.04 70.33 70.68 70.67    NA
 [6,] 68.75 68.15 70.14 70.51 69.96 70.64    NA
 [7,] 68.54 68.25 70.26 70.45 70.11 70.98    NA
 [8,] 68.50 68.25 70.23 70.39 70.22 70.75    NA
 [9,] 68.47 68.31 70.54 70.59 70.49 70.88    NA
[10,] 68.47 68.31 70.54 70.59 70.49 70.88    NA
[11,] 68.47 69.65 70.57 70.32 70.58 70.92    NA
[12,] 68.59 69.65 70.61 70.94 70.85 70.89    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/10m351210343517.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/rcomp/tmp/24l2b1210343517.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/rcomp/tmp/36kjn1210343517.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/rcomp/tmp/4ab3q1210343517.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,] 68.32 67.860 67.910 67.910 68.050 68.15 68.250 68.250 68.310 68.310 68.470
[2,] 69.41 69.345 69.345 68.610 68.580 68.75 68.540 68.500 68.470 68.470 69.650
[3,] 70.44 70.450 70.400 70.245 70.185 70.05 70.185 70.225 70.515 70.515 70.445
[4,] 70.66 70.635 70.655 70.610 70.670 70.51 70.450 70.390 70.590 70.590 70.580
[5,] 71.02 71.010 71.020 70.700 70.680 70.64 70.980 70.750 70.880 70.880 70.920
     [,12]
[1,] 68.59
[2,] 69.65
[3,] 70.73
[4,] 70.89
[5,] 70.94

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 69.69352 69.67963 69.61769 68.95494 68.83688 68.91474 68.95299 69.00589
[2,] 71.18648 71.22037 71.18231 71.53506 71.53312 71.18526 71.41701 71.44411
         [,9]    [,10]    [,11]    [,12]
[1,] 69.14753 69.14753 69.84512 69.93016
[2,] 71.88247 71.88247 71.04488 71.52984

$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(68.32, 69.41, 70.44, 70.66, 71.02, 67.86,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5xtar1210343517.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,] 68.470 67.860 70.040 70.320 69.96 70.640 71.010
[2,] 68.485 67.980 70.085 70.395 70.33 70.695 71.015
[3,] 68.585 68.250 70.205 70.450 70.53 70.725 71.020
[4,] 68.610 68.315 70.540 70.590 70.61 70.885 71.020
[5,] 68.750 68.320 70.610 70.630 70.85 70.980 71.020

$n
[1] 12 12 12 12 12 12  3

$conf
         [,1]    [,2]     [,3]     [,4]     [,5]     [,6]     [,7]
[1,] 68.52799 68.0972 69.99747 70.36106 70.40229 70.63834 71.01544
[2,] 68.64201 68.4028 70.41253 70.53894 70.65771 70.81166 71.02456

$out
[1] 69.65 69.65 70.94

$group
[1] 2 2 4

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

Warning message:
In bxp(list(stats = c(68.47, 68.485, 68.585, 68.61, 68.75, 67.86,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/69k4i1210343517.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,] 0.8977917 2.350 0.9900
[2,] 1.0376531 2.495 1.2700
[3,] 1.1176186 2.600 1.3925
[4,] 1.1672461 2.760 1.5900
[5,] 1.1889451 3.150 1.6400

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.058510 2.479132 1.246546
[2,] 1.176727 2.720868 1.538454

$out
[1] 0.76

$group
[1] 3

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

Warning message:
In bxp(list(stats = c(0.897791735315044, 1.03765312575284, 1.11761857758323,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/10m351210343517.ps tmp/10m351210343517.png")
> system("convert tmp/24l2b1210343517.ps tmp/24l2b1210343517.png")
> system("convert tmp/36kjn1210343517.ps tmp/36kjn1210343517.png")
> system("convert tmp/4ab3q1210343517.ps tmp/4ab3q1210343517.png")
> system("convert tmp/5xtar1210343517.ps tmp/5xtar1210343517.png")
> system("convert tmp/69k4i1210343517.ps tmp/69k4i1210343517.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.270   0.806   1.589