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(1.61,1.6,1.59,1.6,1.6,1.59,1.59,1.58,1.59,1.59,1.58,1.58,1.58,1.57,1.57,1.57,1.57,1.58,1.58,1.57,1.58,1.57,1.57,1.57,1.57,1.57,1.57,1.59,1.6,1.6,1.6,1.6,1.61,1.61,1.62,1.62,1.62,1.62,1.62,1.62,1.61,1.59,1.58,1.56,1.56,1.54,1.55,1.56,1.57,1.58,1.59,1.6,1.6,1.61,1.61,1.62,1.61,1.6,1.6,1.6,1.61,1.62,1.63,1.63,1.66,1.66,1.66,1.65,1.65,1.64,1.64,1.65,1.64)
> 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,] 1.61 1.58 1.57 1.62 1.57 1.61 1.64
 [2,] 1.60 1.57 1.57 1.62 1.58 1.62   NA
 [3,] 1.59 1.57 1.57 1.62 1.59 1.63   NA
 [4,] 1.60 1.57 1.59 1.62 1.60 1.63   NA
 [5,] 1.60 1.57 1.60 1.61 1.60 1.66   NA
 [6,] 1.59 1.58 1.60 1.59 1.61 1.66   NA
 [7,] 1.59 1.58 1.60 1.58 1.61 1.66   NA
 [8,] 1.58 1.57 1.60 1.56 1.62 1.65   NA
 [9,] 1.59 1.58 1.61 1.56 1.61 1.65   NA
[10,] 1.59 1.57 1.61 1.54 1.60 1.64   NA
[11,] 1.58 1.57 1.62 1.55 1.60 1.64   NA
[12,] 1.58 1.57 1.62 1.56 1.60 1.65   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/1n2jj1210789047.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/2g3tt1210789047.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/3mtjd1210789047.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/41mm21210789047.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,] 1.570 1.57 1.57 1.57 1.60 1.580 1.580 1.56 1.56 1.540  1.55  1.56
[2,] 1.575 1.57 1.57 1.59 1.60 1.590 1.580 1.57 1.58 1.570  1.57  1.57
[3,] 1.610 1.59 1.59 1.60 1.60 1.595 1.595 1.59 1.60 1.595  1.59  1.59
[4,] 1.615 1.62 1.62 1.62 1.61 1.610 1.610 1.62 1.61 1.610  1.62  1.62
[5,] 1.640 1.62 1.63 1.63 1.61 1.610 1.610 1.65 1.65 1.640  1.64  1.65

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 1.586113 1.557748 1.557748 1.580649 1.593550 1.582099 1.575649 1.557748
[2,] 1.633887 1.622252 1.622252 1.619351 1.606450 1.607901 1.614351 1.622252
         [,9]    [,10]    [,11]    [,12]
[1,] 1.580649 1.569199 1.557748 1.557748
[2,] 1.619351 1.620801 1.622252 1.622252

$out
[1] 1.57 1.66 1.66 1.66

$group
[1] 5 5 6 7

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

Warning message:
In bxp(list(stats = c(1.57, 1.575, 1.61, 1.615, 1.64, 1.57, 1.57,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5xkp41210789047.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,] 1.580 1.57 1.57 1.540 1.580 1.610 1.64
[2,] 1.585 1.57 1.58 1.560 1.595 1.630 1.64
[3,] 1.590 1.57 1.60 1.585 1.600 1.645 1.64
[4,] 1.600 1.58 1.61 1.620 1.610 1.655 1.64
[5,] 1.610 1.58 1.62 1.620 1.620 1.660 1.64

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 1.583158 1.565439 1.586317 1.557634 1.593158 1.633597 1.64
[2,] 1.596842 1.574561 1.613683 1.612366 1.606842 1.656403 1.64

$out
[1] 1.57

$group
[1] 5

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

Warning message:
In bxp(list(stats = c(1.58, 1.585, 1.59, 1.6, 1.61, 1.57, 1.57,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6jgo51210789047.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,] 0.02136976 0.050 0.00750
[2,] 0.02608996 0.065 0.02375
[3,] 0.02977505 0.085 0.03500
[4,] 0.03356453 0.090 0.04250
[5,] 0.03430258 0.100 0.04250

$n
[1] 12 12 12

$conf
           [,1]       [,2]     [,3]
[1,] 0.02636585 0.07359733 0.026448
[2,] 0.03318426 0.09640267 0.043552

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.0213697605664328, 0.0260899644057377, 0.0297750544980613,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1n2jj1210789047.ps tmp/1n2jj1210789047.png")
> system("convert tmp/2g3tt1210789047.ps tmp/2g3tt1210789047.png")
> system("convert tmp/3mtjd1210789047.ps tmp/3mtjd1210789047.png")
> system("convert tmp/41mm21210789047.ps tmp/41mm21210789047.png")
> system("convert tmp/5xkp41210789047.ps tmp/5xkp41210789047.png")
> system("convert tmp/6jgo51210789047.ps tmp/6jgo51210789047.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.298   0.839   1.529