R version 2.8.1 (2008-12-22)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(25.60,23.70,22.00,21.30,20.70,20.40,20.30,20.40,19.80,19.50,23.10,23.50,23.50,22.90,21.90,21.50,20.50,20.20,19.40,19.20,18.80,18.80,22.60,23.30,23.00,21.40,19.90,18.80,18.60,18.40,18.60,19.90,19.20,18.40,21.10,20.50,19.10,18.10,17.00,17.10,17.40,16.80,15.30,14.30,13.40,15.30,22.10,23.70,22.20,19.50,16.60,17.30,19.80,21.20,21.50,20.60,19.10,19.60,23.50,24.00)
> 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,] 25.6 23.5 23.0 19.1 22.2   NA
 [2,] 23.7 22.9 21.4 18.1 19.5   NA
 [3,] 22.0 21.9 19.9 17.0 16.6   NA
 [4,] 21.3 21.5 18.8 17.1 17.3   NA
 [5,] 20.7 20.5 18.6 17.4 19.8   NA
 [6,] 20.4 20.2 18.4 16.8 21.2   NA
 [7,] 20.3 19.4 18.6 15.3 21.5   NA
 [8,] 20.4 19.2 19.9 14.3 20.6   NA
 [9,] 19.8 18.8 19.2 13.4 19.1   NA
[10,] 19.5 18.8 18.4 15.3 19.6   NA
[11,] 23.1 22.6 21.1 22.1 23.5   NA
[12,] 23.5 23.3 20.5 23.7 24.0   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/rcomp/tmp/1fghn1257676502.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/rcomp/tmp/2ll6m1257676502.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/rcomp/tmp/3iniq1257676502.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/rcomp/tmp/4thvi1257676502.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,] 22.2 18.1 16.6 17.1 17.4 16.8 18.6 19.2 18.8  18.4  21.1  23.3
[2,] 22.2 19.5 17.0 17.3 18.6 18.4 18.6 19.2 18.8  18.4  22.1  23.3
[3,] 23.0 21.4 19.9 18.8 19.8 20.2 19.4 19.9 19.1  18.8  22.6  23.5
[4,] 23.5 22.9 21.9 21.3 20.5 20.4 20.3 20.4 19.2  19.5  23.1  23.7
[5,] 23.5 23.7 22.0 21.5 20.7 21.2 21.5 20.6 19.2  19.6  23.5  24.0

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 22.08142 18.99757 16.43767 15.97361 18.45746 18.78681 18.19878 19.05208
[2,] 23.91858 23.80243 23.36233 21.62639 21.14254 21.61319 20.60122 20.74792
         [,9]    [,10]    [,11]    [,12]
[1,] 18.81736 18.02274 21.89340 23.21736
[2,] 19.38264 19.57726 23.30660 23.78264

$out
[1] 25.6 19.1 15.3 14.3 19.8 13.4 15.3 20.5

$group
[1]  1  1  7  8  9  9 10 12

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

Warning message:
In bxp(list(stats = c(22.2, 22.2, 23, 23.5, 23.5, 18.1, 19.5, 21.4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/5tcmp1257676502.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,] 19.50 18.80 18.40 13.40 16.60   NA
[2,] 20.35 19.30 18.60 15.30 19.30   NA
[3,] 21.00 21.00 19.55 17.05 20.20   NA
[4,] 23.30 22.75 20.80 18.60 21.85   NA
[5,] 25.60 23.50 23.00 22.10 24.00   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 19.65449 19.42643 18.54657 15.54485 19.03693   NA
[2,] 22.34551 22.57357 20.55343 18.55515 21.36307   NA

$out
[1] 23.7

$group
[1] 4

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

Warning message:
In bxp(list(stats = c(19.5, 20.35, 21, 23.3, 25.6, 18.8, 19.3, 21,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/6hay61257676502.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,] 0.9338094 2.40 0.40
[2,] 1.5905483 3.90 1.05
[3,] 2.2203040 4.90 1.50
[4,] 2.4767356 6.25 2.70
[5,] 2.6302091 6.50 4.90

$n
[1] 12 12 12

$conf
         [,1]     [,2]      [,3]
[1,] 1.816108 3.828149 0.7474239
[2,] 2.624500 5.971851 2.2525761

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.9338094023943, 1.59054828877737, 2.22030400748093,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1fghn1257676502.ps tmp/1fghn1257676502.png")
> system("convert tmp/2ll6m1257676502.ps tmp/2ll6m1257676502.png")
> system("convert tmp/3iniq1257676502.ps tmp/3iniq1257676502.png")
> system("convert tmp/4thvi1257676502.ps tmp/4thvi1257676502.png")
> system("convert tmp/5tcmp1257676502.ps tmp/5tcmp1257676502.png")
> system("convert tmp/6hay61257676502.ps tmp/6hay61257676502.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.260   1.170   2.443