R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(74.96,75.19,74.98,75.54,75.61,75.59,75.58,75.44,75.37,75.22,75.33,75.33,78.33,78.09,77.88,77.61,77.43,77.47,77.47,77.46,77.76,78.29,78.56,78.55,78.55,78.59,77.95,78.5,78.45,78.31,78.31,78.33,78.28,79.06,79.2,79.26,79.26,79.38,79.35,78.91,79.11,79.22,79.22,79.21,79.26,79.82,80.04,80.2,80.2,80.27,80.37,80.57,79.99,79.86,79.86,79.81,79.88,80.2,80.53,80.52,80.52,80.48,80.29,79.54,79.39,79.3,79.3,79.49,79.63,79.74,80.17,80.06)
> 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,] 74.96 78.33 78.55 79.26 80.20 80.52   NA
 [2,] 75.19 78.09 78.59 79.38 80.27 80.48   NA
 [3,] 74.98 77.88 77.95 79.35 80.37 80.29   NA
 [4,] 75.54 77.61 78.50 78.91 80.57 79.54   NA
 [5,] 75.61 77.43 78.45 79.11 79.99 79.39   NA
 [6,] 75.59 77.47 78.31 79.22 79.86 79.30   NA
 [7,] 75.58 77.47 78.31 79.22 79.86 79.30   NA
 [8,] 75.44 77.46 78.33 79.21 79.81 79.49   NA
 [9,] 75.37 77.76 78.28 79.26 79.88 79.63   NA
[10,] 75.22 78.29 79.06 79.82 80.20 79.74   NA
[11,] 75.33 78.56 79.20 80.04 80.53 80.17   NA
[12,] 75.33 78.55 79.26 80.20 80.52 80.06   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/wessaorg/rcomp/tmp/1jzl01322944891.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/299g41322944891.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/35kcs1322944891.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/41fau1322944891.ps",horizontal=F,onefile=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]
[1,] 78.330 75.190 74.98 75.540 75.61 75.590 75.580 75.44 75.37 78.29 78.56
[2,] 78.330 78.090 77.88 77.610 77.43 77.470 77.470 77.46 77.76 78.29 78.56
[3,] 78.905 78.985 78.65 78.705 78.78 78.765 78.765 78.77 78.77 79.40 79.62
[4,] 80.200 80.270 80.29 79.540 79.39 79.300 79.300 79.49 79.63 79.82 80.17
[5,] 80.520 80.480 80.37 80.570 79.99 79.860 79.860 79.81 79.88 80.20 80.53
     [,12]
[1,] 78.55
[2,] 78.55
[3,] 79.66
[4,] 80.20
[5,] 80.52

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 77.69879 77.57883 77.09547 77.46009 77.51574 77.58459 77.58459 77.46058
[2,] 80.11121 80.39117 80.20453 79.94991 80.04426 79.94541 79.94541 80.07942
         [,9]   [,10]   [,11]   [,12]
[1,] 77.56379 78.4131 78.5815 78.5957
[2,] 79.97621 80.3869 80.6585 80.7243

$out
[1] 74.96 75.22 75.33 75.33

$group
[1]  1 10 11 12

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

Warning message:
In bxp(list(stats = c(78.33, 78.33, 78.905, 80.2, 80.52, 75.19,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5kb3z1322944892.ps",horizontal=F,onefile=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,] 74.960 77.43 77.950 78.910 79.810 79.300   NA
[2,] 75.205 77.47 78.310 79.215 79.870 79.440   NA
[3,] 75.350 77.82 78.475 79.260 80.200 79.685   NA
[4,] 75.560 78.31 78.825 79.600 80.445 80.230   NA
[5,] 75.610 78.56 79.260 80.040 80.570 80.520   NA

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

$conf
         [,1]     [,2]     [,3]    [,4]     [,5]     [,6] [,7]
[1,] 75.18808 77.43687 78.24011 79.0844 79.93774 79.32468   NA
[2,] 75.51192 78.20313 78.70989 79.4356 80.46226 80.04532   NA

$out
[1] 80.2

$group
[1] 4

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

Warning message:
In bxp(list(stats = c(74.96, 75.205, 75.35, 75.56, 75.61, 77.43,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6pfss1322944892.ps",horizontal=F,onefile=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,] 1.569247 4.270 1.31750
[2,] 1.616030 4.375 1.49375
[3,] 1.789766 5.005 1.60000
[4,] 1.934038 5.245 1.69500
[5,] 2.024618 5.560 1.83250

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.644720 4.608187 1.508209
[2,] 1.934812 5.401813 1.691791

$out
[1] 2.1575

$group
[1] 3

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

Warning message:
In bxp(list(stats = c(1.56924716557547, 1.61602962039499, 1.78976614935733,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1jzl01322944891.ps tmp/1jzl01322944891.png",intern=TRUE))
character(0)
> try(system("convert tmp/299g41322944891.ps tmp/299g41322944891.png",intern=TRUE))
character(0)
> try(system("convert tmp/35kcs1322944891.ps tmp/35kcs1322944891.png",intern=TRUE))
character(0)
> try(system("convert tmp/41fau1322944891.ps tmp/41fau1322944891.png",intern=TRUE))
character(0)
> try(system("convert tmp/5kb3z1322944892.ps tmp/5kb3z1322944892.png",intern=TRUE))
character(0)
> try(system("convert tmp/6pfss1322944892.ps tmp/6pfss1322944892.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.387   0.319   1.716