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(1.74,1.73,1.74,1.73,1.74,1.73,1.73,1.74,1.75,1.73,1.74,1.74,1.74,1.74,1.76,1.76,1.78,1.77,1.78,1.79,1.83,1.82,1.84,1.83,1.83,1.84,1.83,1.83,1.83,1.83,1.83,1.84,1.83,1.84,1.84,1.83,1.84,1.85,1.85,1.85,1.85,1.84,1.84,1.85,1.84,1.84,1.84,1.84,1.85,1.84,1.85,1.84,1.84,1.84,1.84,1.84,1.83,1.83,1.82,1.83,1.83,1.83,1.87,1.87,1.86,1.87,1.87,1.89,1.89,1.88,1.88,1.87)
> 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] 72
> (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] 6 6 6 6 6 6 6 6 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,] 1.74 1.74 1.83 1.84 1.85 1.83   NA
 [2,] 1.73 1.74 1.84 1.85 1.84 1.83   NA
 [3,] 1.74 1.76 1.83 1.85 1.85 1.87   NA
 [4,] 1.73 1.76 1.83 1.85 1.84 1.87   NA
 [5,] 1.74 1.78 1.83 1.85 1.84 1.86   NA
 [6,] 1.73 1.77 1.83 1.84 1.84 1.87   NA
 [7,] 1.73 1.78 1.83 1.84 1.84 1.87   NA
 [8,] 1.74 1.79 1.84 1.85 1.84 1.89   NA
 [9,] 1.75 1.83 1.83 1.84 1.83 1.89   NA
[10,] 1.73 1.82 1.84 1.84 1.83 1.88   NA
[11,] 1.74 1.84 1.84 1.84 1.82 1.88   NA
[12,] 1.74 1.83 1.83 1.84 1.83 1.87   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/158ze1210178044.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/2ddv01210178044.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/3j77i1210178044.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/4o6rt1210178044.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,] 1.74 1.730 1.74 1.730 1.740 1.730 1.730 1.74 1.83 1.820  1.82  1.83
[2,] 1.74 1.740 1.76 1.760 1.780 1.770 1.780 1.79 1.83 1.820  1.82  1.83
[3,] 1.83 1.835 1.84 1.835 1.835 1.835 1.835 1.84 1.83 1.835  1.84  1.83
[4,] 1.84 1.840 1.85 1.850 1.850 1.840 1.840 1.85 1.84 1.840  1.84  1.84
[5,] 1.85 1.850 1.87 1.870 1.860 1.870 1.870 1.89 1.84 1.840  1.84  1.84

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 1.765497 1.770497 1.781947 1.776947 1.789848 1.789848 1.796298 1.801298
[2,] 1.894503 1.899503 1.898053 1.893053 1.880152 1.880152 1.873702 1.878702
         [,9]    [,10]    [,11]    [,12]
[1,] 1.823550 1.822099 1.827099 1.823550
[2,] 1.836450 1.847901 1.852901 1.836450

$out
[1] 1.75 1.89 1.73 1.88 1.74 1.88 1.74 1.87

$group
[1]  9  9 10 10 11 11 12 12

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

Warning message:
In bxp(list(stats = c(1.74, 1.74, 1.83, 1.84, 1.85, 1.73, 1.74,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/519uw1210178044.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,] 1.73 1.740 1.83 1.84 1.82 1.860   NA
[2,] 1.73 1.760 1.83 1.84 1.83 1.865   NA
[3,] 1.74 1.780 1.83 1.84 1.84 1.870   NA
[4,] 1.74 1.825 1.84 1.85 1.84 1.880   NA
[5,] 1.75 1.840 1.84 1.85 1.85 1.890   NA

$n
[1] 12 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 1.735439 1.750353 1.825439 1.835439 1.835439 1.863158   NA
[2,] 1.744561 1.809647 1.834561 1.844561 1.844561 1.876842   NA

$out
[1] 1.83 1.83

$group
[1] 6 6

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

Warning message:
In bxp(list(stats = c(1.73, 1.73, 1.74, 1.74, 1.75, 1.74, 1.76,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6s8tk1210178044.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,] 0.04366539 0.110 0.00750
[2,] 0.04676181 0.125 0.01625
[3,] 0.05089204 0.140 0.05125
[4,] 0.05299085 0.140 0.07125
[5,] 0.05537749 0.150 0.07750

$n
[1] 12 12 12

$conf
           [,1]      [,2]       [,3]
[1,] 0.04805093 0.1331584 0.02616413
[2,] 0.05373315 0.1468416 0.07633587

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.0436653943835009, 0.0467618077780005, 0.0508920425999979,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/158ze1210178044.ps tmp/158ze1210178044.png")
> system("convert tmp/2ddv01210178044.ps tmp/2ddv01210178044.png")
> system("convert tmp/3j77i1210178044.ps tmp/3j77i1210178044.png")
> system("convert tmp/4o6rt1210178044.ps tmp/4o6rt1210178044.png")
> system("convert tmp/519uw1210178044.ps tmp/519uw1210178044.png")
> system("convert tmp/6s8tk1210178044.ps tmp/6s8tk1210178044.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.297   0.843   1.544