R version 2.8.0 (2008-10-20)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(8.1,7.7,7.5,7.6,7.8,7.8,7.8,7.5,7.5,7.1,7.5,7.5,7.6,7.7,7.7,7.9,8.1,8.2,8.2,8.2,7.9,7.3,6.9,6.6,6.7,6.9,7,7.1,7.2,7.1,6.9,7,6.8,6.4,6.7,6.6,6.4,6.3,6.2,6.5,6.8,6.8,6.4,6.1,5.8,6.1,7.2,7.3,6.9,6.1,5.8,6.2,7.1,7.7,7.9,7.7,7.4,7.5,8,8.1,8)
> 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] 61
> (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] 6 5 5 5 5 5 5 5 5 5 5 5
> arr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,]  8.1  7.6  6.7  6.4  6.9    8
 [2,]  7.7  7.7  6.9  6.3  6.1   NA
 [3,]  7.5  7.7  7.0  6.2  5.8   NA
 [4,]  7.6  7.9  7.1  6.5  6.2   NA
 [5,]  7.8  8.1  7.2  6.8  7.1   NA
 [6,]  7.8  8.2  7.1  6.8  7.7   NA
 [7,]  7.8  8.2  6.9  6.4  7.9   NA
 [8,]  7.5  8.2  7.0  6.1  7.7   NA
 [9,]  7.5  7.9  6.8  5.8  7.4   NA
[10,]  7.1  7.3  6.4  6.1  7.5   NA
[11,]  7.5  6.9  6.7  7.2  8.0   NA
[12,]  7.5  6.6  6.6  7.3  8.1   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/14q2c1258035879.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/2uo6n1258035879.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/3f2u91258035879.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/4qmrr1258035879.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,] 6.40  6.1  5.8  6.2  6.8  6.8  6.4  6.1  5.8   6.1   6.7   6.6
[2,] 6.70  6.3  6.2  6.5  7.1  7.1  6.9  7.0  6.8   6.4   6.9   6.6
[3,] 7.25  6.9  7.0  7.1  7.2  7.7  7.8  7.5  7.4   7.1   7.2   7.3
[4,] 8.00  7.7  7.5  7.6  7.8  7.8  7.9  7.7  7.5   7.3   7.5   7.5
[5,] 8.10  7.7  7.7  7.9  8.1  8.2  8.2  8.2  7.9   7.5   8.0   8.1

$n
 [1] 6 5 5 5 5 5 5 5 5 5 5 5

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6.411458 5.910764 6.081423 6.322743 6.705382 7.205382 7.093403 7.005382
[2,] 8.088542 7.889236 7.918577 7.877257 7.694618 8.194618 8.506597 7.994618
         [,9]    [,10]    [,11]    [,12]
[1,] 6.905382 6.464062 6.776042 6.664062
[2,] 7.894618 7.735938 7.623958 7.935938

$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(6.4, 6.7, 7.25, 8, 8.1, 6.1, 6.3, 6.9, 7.7,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5c0zn1258035879.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,] 7.10 6.60 6.40 5.80 5.80    8
[2,] 7.50 7.45 6.70 6.15 6.55    8
[3,] 7.55 7.80 6.90 6.40 7.45    8
[4,] 7.80 8.15 7.05 6.80 7.80    8
[5,] 8.10 8.20 7.20 7.30 8.10    8

$n
[1] 12 12 12 12 12  1

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 7.413168 7.480725 6.740363 6.103531 6.879867    8
[2,] 7.686832 8.119275 7.059637 6.696469 8.020133    8

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7.1, 7.5, 7.55, 7.8, 8.1, 6.6, 7.45, 7.8,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6ect11258035879.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,] 0.5128353 1.30 0.600
[2,] 0.5823459 1.40 0.700
[3,] 0.7150748 1.65 0.900
[4,] 0.7769183 1.85 1.125
[5,] 0.8203658 2.10 1.400

$n
[1] 12 12 12

$conf
          [,1]     [,2]      [,3]
[1,] 0.6263291 1.444752 0.7061546
[2,] 0.8038205 1.855248 1.0938454

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.512835256198323, 0.582345944335011, 0.715074803936312,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/14q2c1258035879.ps tmp/14q2c1258035879.png")
> system("convert tmp/2uo6n1258035879.ps tmp/2uo6n1258035879.png")
> system("convert tmp/3f2u91258035879.ps tmp/3f2u91258035879.png")
> system("convert tmp/4qmrr1258035879.ps tmp/4qmrr1258035879.png")
> system("convert tmp/5c0zn1258035879.ps tmp/5c0zn1258035879.png")
> system("convert tmp/6ect11258035879.ps tmp/6ect11258035879.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.639   1.250   1.970