R version 2.11.1 (2010-05-31)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(131,130.1,142,127.6,135,145.1,123.8,120.6,132.3,132.6,141.6,135.8,131.6,131.4,138.9,127.3,133.4,135.6,122,122.5,138.8,131.6,149.9,143.7,127.1,137.3,132.5,132.7,138.6,129.2,128.7,135.7,134.4,145,151.1,136.3,133.2,128.8,136.3,131.3,128.6,139.3,120.8,126.7,128.6,137.5,140.8,132.3,130.5,117.1)
> 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] 50
> (np <- floor(n / par1))
[1] 4
> arr <- array(NA,dim=c(par1,np+1))
> darr <- array(NA,dim=c(par1,np+1))
> ari <- array(0,dim=par1)
> dx <- diff(x)
> j <- 0
> for (i in 1:n)
+ {
+ j = j + 1
+ ari[j] = ari[j] + 1
+ arr[j,ari[j]] <- x[i]
+ darr[j,ari[j]] <- dx[i]
+ if (j == par1) j = 0
+ }
> ari
 [1] 5 5 4 4 4 4 4 4 4 4 4 4
> arr
       [,1]  [,2]  [,3]  [,4]  [,5]
 [1,] 131.0 131.6 127.1 133.2 130.5
 [2,] 130.1 131.4 137.3 128.8 117.1
 [3,] 142.0 138.9 132.5 136.3    NA
 [4,] 127.6 127.3 132.7 131.3    NA
 [5,] 135.0 133.4 138.6 128.6    NA
 [6,] 145.1 135.6 129.2 139.3    NA
 [7,] 123.8 122.0 128.7 120.8    NA
 [8,] 120.6 122.5 135.7 126.7    NA
 [9,] 132.3 138.8 134.4 128.6    NA
[10,] 132.6 131.6 145.0 137.5    NA
[11,] 141.6 149.9 151.1 140.8    NA
[12,] 135.8 143.7 136.3 132.3    NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5]
 [1,]  -0.9  -0.2  10.2  -4.4 -13.4
 [2,]  11.9   7.5  -4.8   7.5    NA
 [3,] -14.4 -11.6   0.2  -5.0    NA
 [4,]   7.4   6.1   5.9  -2.7    NA
 [5,]  10.1   2.2  -9.4  10.7    NA
 [6,] -21.3 -13.6  -0.5 -18.5    NA
 [7,]  -3.2   0.5   7.0   5.9    NA
 [8,]  11.7  16.3  -1.3   1.9    NA
 [9,]   0.3  -7.2  10.6   8.9    NA
[10,]   9.0  18.3   6.1   3.3    NA
[11,]  -5.8  -6.2 -14.8  -8.5    NA
[12,]  -4.2 -16.6  -3.1  -1.8    NA
> arr.mean <- array(NA,dim=par1)
> arr.median <- array(NA,dim=par1)
> arr.midrange <- array(NA,dim=par1)
> for (j in 1:par1)
+ {
+ arr.mean[j] <- mean(arr[j,],na.rm=TRUE)
+ arr.median[j] <- median(arr[j,],na.rm=TRUE)
+ arr.midrange[j] <- (quantile(arr[j,],0.75,na.rm=TRUE) + quantile(arr[j,],0.25,na.rm=TRUE)) / 2
+ }
> overall.mean <- mean(x)
> overall.median <- median(x)
> overall.midrange <- (quantile(x,0.75) + quantile(x,0.25)) / 2
> postscript(file="/var/www/rcomp/tmp/1q5cj1290717295.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.mean,type='b',ylab='mean',main='Mean Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.mean,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/21wbm1290717295.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.median,type='b',ylab='median',main='Median Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.median,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/31wbm1290717295.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.midrange,type='b',ylab='midrange',main='Midrange Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.midrange,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/41wbm1290717295.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]
[1,] 130.5 128.8 132.50 127.30 128.6 129.20 120.80 120.60 128.60 131.60 140.80
[2,] 130.5 128.8 134.40 127.45 131.0 132.40 121.40 121.55 130.45 132.10 141.20
[3,] 131.0 130.1 137.60 129.45 134.2 137.45 122.90 124.60 133.35 135.05 145.75
[4,] 131.6 131.4 140.45 132.00 136.8 142.20 126.25 131.20 136.60 141.25 150.50
[5,] 133.2 131.4 142.00 132.70 138.6 145.10 128.70 135.70 138.80 145.00 151.10
      [,12]
[1,] 132.30
[2,] 134.05
[3,] 136.05
[4,] 140.00
[5,] 143.70

$n
 [1] 5 5 4 4 4 4 4 4 4 4 4 4

$conf
         [,1]     [,2]     [,3]     [,4]    [,5]    [,6]     [,7]     [,8]
[1,] 130.2227 128.2628 132.8205 125.8555 129.618 129.708 119.0685 116.9765
[2,] 131.7773 131.9372 142.3795 133.0445 138.782 145.192 126.7315 132.2235
         [,9]    [,10]   [,11]    [,12]
[1,] 128.4915 127.8215 138.403 131.3495
[2,] 138.2085 142.2785 153.097 140.7505

$out
[1] 127.1 137.3 117.1

$group
[1] 1 2 2

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

Warning message:
In bxp(list(stats = c(130.5, 130.5, 131, 131.6, 133.2, 128.8, 128.8,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/5uoap1290717295.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(t(darr))
> names(z) <- c(1:par1)
> (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Differenced Periodic Subseries'))
$stats
     [,1]  [,2]  [,3]  [,4]  [,5]   [,6]  [,7] [,8]  [,9] [,10]  [,11]  [,12]
[1,] -4.4 -4.80 -14.4 -2.70 -9.40 -21.30 -3.20 -1.3 -7.20  3.30 -14.80 -16.60
[2,] -4.4  1.35 -13.0  1.60 -3.60 -19.90 -1.35  0.3 -3.45  4.70 -11.65 -10.40
[3,] -0.9  7.50  -8.3  6.00  6.15 -16.05  3.20  6.8  4.60  7.55  -7.35  -3.65
[4,] -0.2  9.70  -2.4  6.75 10.40  -7.05  6.45 14.0  9.75 13.65  -6.00  -2.45
[5,] -0.2 11.90   0.2  7.40 10.70  -0.50  7.00 16.3 10.60 18.30  -5.80  -1.80

$n
 [1] 5 4 4 4 4 4 4 4 4 4 4 4

$conf
          [,1]    [,2]    [,3]    [,4]  [,5]     [,6]   [,7]   [,8]   [,9]
[1,] -3.867709  0.9035 -16.674  1.9315 -4.91 -26.2015 -2.962 -4.023 -5.828
[2,]  2.067709 14.0965   0.074 10.0685 17.21  -5.8985  9.362 17.623 15.028
       [,10]    [,11]   [,12]
[1,]  0.4795 -11.8135 -9.9305
[2,] 14.6205  -2.8865  2.6305

$out
[1]  10.2 -13.4

$group
[1] 1 1

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

Warning message:
In bxp(list(stats = c(-4.39999999999998, -4.39999999999998, -0.900000000000006,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/6uoap1290717295.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]
[1,] 120.60 122.00 127.10 120.8 117.1
[2,] 128.85 129.35 130.85 128.6 117.1
[3,] 132.45 132.50 135.05 131.8 123.8
[4,] 138.70 138.85 137.95 136.9 130.5
[5,] 145.10 149.90 145.00 140.8 130.5

$n
[1] 12 12 12 12  2

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]
[1,] 127.9573 128.1670 131.8116 128.0143 108.8291
[2,] 136.9427 136.8330 138.2884 135.5857 138.7709

$out
[1] 151.1

$group
[1] 3

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

Warning message:
In bxp(list(stats = c(120.6, 128.85, 132.45, 138.7, 145.1, 122,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/7uoap1290717295.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(cbind(arr.mean,arr.median,arr.midrange))
> names(z) <- list('mean','median','midrange')
> (boxplot(z,notch=TRUE,col='grey',ylab='Overall Central Tendency',main='Notched Box Plots'))
$stats
         [,1]    [,2]     [,3]
[1,] 123.8250 122.900 123.3625
[2,] 129.3325 129.775 129.8438
[3,] 133.7125 133.775 133.7438
[4,] 137.1625 136.750 136.9563
[5,] 145.8500 145.750 145.8000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 130.1412 130.5937 130.4997
[2,] 137.2838 136.9563 136.9878

$out
numeric(0)

$group
numeric(0)

$names
[1] "mean"     "median"   "midrange"

Warning message:
In bxp(list(stats = c(123.825, 129.3325, 133.7125, 137.1625, 145.85,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1q5cj1290717295.ps tmp/1q5cj1290717295.png",intern=TRUE))
character(0)
> try(system("convert tmp/21wbm1290717295.ps tmp/21wbm1290717295.png",intern=TRUE))
character(0)
> try(system("convert tmp/31wbm1290717295.ps tmp/31wbm1290717295.png",intern=TRUE))
character(0)
> try(system("convert tmp/41wbm1290717295.ps tmp/41wbm1290717295.png",intern=TRUE))
character(0)
> try(system("convert tmp/5uoap1290717295.ps tmp/5uoap1290717295.png",intern=TRUE))
character(0)
> try(system("convert tmp/6uoap1290717295.ps tmp/6uoap1290717295.png",intern=TRUE))
character(0)
> try(system("convert tmp/7uoap1290717295.ps tmp/7uoap1290717295.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  1.970   0.780   2.721