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(17,18,23.8,25.5,25.6,23.7,22,21.3,20.7,20.4,20.3,20.4,19.8,19.5,23.1,23.5,23.5,22.9,21.9,21.5,20.5,20.2,19.4,19.2,18.8,18.8,22.6,23.3,23,21.4,19.9,18.8,18.6,18.4,18.6,19.9,19.2,18.4,21.1,20.5,19.1,18.1,17,17.1,17.4,16.8,15.3,14.3,13.4,15.3,22.1,23.7,22.2,19.5,16.6,17.3,19.8,21.2,21.5,20.6)
> 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] 60
> (np <- floor(n / par1))
[1] 5
> 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] 5 5 5 5 5 5 5 5 5 5 5 5
> arr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,] 17.0 19.8 18.8 19.2 13.4   NA
 [2,] 18.0 19.5 18.8 18.4 15.3   NA
 [3,] 23.8 23.1 22.6 21.1 22.1   NA
 [4,] 25.5 23.5 23.3 20.5 23.7   NA
 [5,] 25.6 23.5 23.0 19.1 22.2   NA
 [6,] 23.7 22.9 21.4 18.1 19.5   NA
 [7,] 22.0 21.9 19.9 17.0 16.6   NA
 [8,] 21.3 21.5 18.8 17.1 17.3   NA
 [9,] 20.7 20.5 18.6 17.4 19.8   NA
[10,] 20.4 20.2 18.4 16.8 21.2   NA
[11,] 20.3 19.4 18.6 15.3 21.5   NA
[12,] 20.4 19.2 19.9 14.3 20.6   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/1t78q1257610319.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/2dkfx1257610319.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/3v7y61257610319.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/4ygeo1257610319.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,] 17.0 18.0 21.1 23.3 22.2 18.1 16.6 17.1 17.4  16.8  18.6  19.2
[2,] 17.0 18.0 22.1 23.3 22.2 19.5 17.0 17.3 18.6  18.4  18.6  19.2
[3,] 18.8 18.4 22.6 23.5 23.0 21.4 19.9 18.8 19.8  20.2  19.4  19.9
[4,] 19.2 18.8 23.1 23.7 23.5 22.9 21.9 21.3 20.5  20.4  20.3  20.4
[5,] 19.8 19.5 23.8 23.7 23.5 23.7 22.0 21.5 20.7  21.2  21.5  20.6

$n
 [1] 5 5 5 5 5 5 5 5 5 5 5 5

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 17.24549 17.83472 21.89340 23.21736 22.08142 18.99757 16.43767 15.97361
[2,] 20.35451 18.96528 23.30660 23.78264 23.91858 23.80243 23.36233 21.62639
         [,9]    [,10]    [,11]    [,12]
[1,] 18.45746 18.78681 18.19878 19.05208
[2,] 21.14254 21.61319 20.60122 20.74792

$out
[1] 13.4 15.3 25.5 20.5 25.6 19.1 15.3 14.3

$group
[1]  1  2  4  4  5  5 11 12

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

Warning message:
In bxp(list(stats = c(17, 17, 18.8, 19.2, 19.8, 18, 18, 18.4, 18.8,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5z5ty1257610319.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]
[1,] 17.00 19.20 18.40 14.30 13.40   NA
[2,] 20.35 19.65 18.70 16.90 16.95   NA
[3,] 21.00 21.00 19.35 17.75 20.20   NA
[4,] 23.75 23.00 22.00 19.15 21.80   NA
[5,] 25.60 23.50 23.30 21.10 23.70   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 19.44924 19.47204 17.84485 16.72376 17.98788   NA
[2,] 22.55076 22.52796 20.85515 18.77624 22.41212   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(17, 20.35, 21, 23.75, 25.6, 19.2, 19.65, 21,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6i2g81257610319.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,] 1.021274 2.70  0.4
[2,] 1.692716 4.30  1.1
[3,] 2.220304 5.20  1.8
[4,] 2.476736 6.25  2.8
[5,] 2.616677 6.50  4.9

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.862707 4.310592 1.024619
[2,] 2.577901 6.089408 2.575381

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(1.02127371453494, 1.69271620127223, 2.22030400748093,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1t78q1257610319.ps tmp/1t78q1257610319.png")
> system("convert tmp/2dkfx1257610319.ps tmp/2dkfx1257610319.png")
> system("convert tmp/3v7y61257610319.ps tmp/3v7y61257610319.png")
> system("convert tmp/4ygeo1257610319.ps tmp/4ygeo1257610319.png")
> system("convert tmp/5z5ty1257610319.ps tmp/5z5ty1257610319.png")
> system("convert tmp/6i2g81257610319.ps tmp/6i2g81257610319.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.135   0.863   1.986