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(25,27,25,23,24,24,26,25,24,24,22,22,22,27,24,24,22,23,25,23,21,21,22,20,22,22,20,21,20,21,21,21,19,21,21,22,19,24,22,22,22,24,22,23,24,21,20,22,23,23,22,20,21,21,20,20,17,18,19,19,20,21,20,21,19,22,20,18,16,17,18,19,18,20,21,18,19,19,19,21,19,19,17,16,16,17,16,15,16,16,16,18)
> 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] 92
> (np <- floor(n / par1))
[1] 7
> 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] 8 8 8 8 8 8 8 8 7 7 7 7
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
 [1,]   25   22   22   19   23   20   18   16
 [2,]   27   27   22   24   23   21   20   17
 [3,]   25   24   20   22   22   20   21   16
 [4,]   23   24   21   22   20   21   18   15
 [5,]   24   22   20   22   21   19   19   16
 [6,]   24   23   21   24   21   22   19   16
 [7,]   26   25   21   22   20   20   19   16
 [8,]   25   23   21   23   20   18   21   18
 [9,]   24   21   19   24   17   16   19   NA
[10,]   24   21   21   21   18   17   19   NA
[11,]   22   22   21   20   19   18   17   NA
[12,]   22   20   22   22   19   19   16   NA
> darr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
 [1,]    2    5    0    5    0    1    2    1
 [2,]   -2   -3   -2   -2   -1   -1    1   -1
 [3,]   -2    0    1    0   -2    1   -3   -1
 [4,]    1   -2   -1    0    1   -2    1    1
 [5,]    0    1    1    2    0    3    0    0
 [6,]    2    2    0   -2   -1   -2    0    0
 [7,]   -1   -2    0    1    0   -2    2    2
 [8,]   -1   -2   -2    1   -3   -2   -2   NA
 [9,]    0    0    2   -3    1    1    0   NA
[10,]   -2    1    0   -1    1    1   -2   NA
[11,]    0   -2    1    2    0    1   -1   NA
[12,]    0    2   -3    1    1   -1    0   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/html/rcomp/tmp/1iqvt1227891634.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/html/rcomp/tmp/2b22c1227891634.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/html/rcomp/tmp/3jfjp1227891634.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/html/rcomp/tmp/4tusl1227891634.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,] 16.0 17.0 16.0 15.0 16.0 16.0 16.0   18 16.0  17.0  17.0    16
[2,] 18.5 20.5 20.0 19.0 19.0 20.0 19.5   19 18.0  18.5  18.5    19
[3,] 21.0 22.5 21.5 21.0 20.5 21.5 20.5   21 19.0  21.0  20.0    20
[4,] 22.5 25.5 23.0 22.5 22.0 23.5 23.5   23 22.5  21.0  21.5    22
[5,] 25.0 27.0 25.0 24.0 24.0 24.0 26.0   25 24.0  24.0  22.0    22

$n
 [1] 8 8 8 8 8 8 8 8 7 7 7 7

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 18.76554 19.70693 19.82416 19.04485 18.82416 19.54485 18.26554 18.76554
[2,] 23.23446 25.29307 23.17584 22.95515 22.17584 23.45515 22.73446 23.23446
         [,9]    [,10]    [,11]    [,12]
[1,] 16.31267 19.50704 18.20845 18.20845
[2,] 21.68733 22.49296 21.79155 21.79155

$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(16, 18.5, 21, 22.5, 25, 17, 20.5, 22.5, 25.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/51kyg1227891634.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,]  0.0 -3.0 -3.0 -2.0  0.0 -2.0 -2.0 -2.0    0  -2.0  -2.0  -1.0
[2,]  0.5 -2.0 -2.0 -1.5  0.0 -1.5 -1.5 -2.0    0  -1.5  -0.5  -0.5
[3,]  1.5 -1.5 -0.5  0.5  0.5  0.0  0.0 -2.0    0   0.0   0.0   0.0
[4,]  3.5 -1.0  0.5  1.0  1.5  1.0  1.5 -1.5    1   1.0   1.0   1.0
[5,]  5.0 -1.0  1.0  1.0  3.0  2.0  2.0 -1.0    2   1.0   2.0   2.0

$n
 [1] 8 8 8 8 8 8 8 7 7 7 7 7

$conf
           [,1]       [,2]       [,3]       [,4]       [,5]      [,6]      [,7]
[1,] -0.1758431 -2.0586144 -1.8965359 -0.8965359 -0.3379215 -1.396536 -1.675843
[2,]  3.1758431 -0.9413856  0.8965359  1.8965359  1.3379215  1.396536  1.675843
          [,8]       [,9]     [,10]      [,11]      [,12]
[1,] -2.298592 -0.5971839 -1.492960 -0.8957758 -0.8957758
[2,] -1.701408  0.5971839  1.492960  0.8957758  0.8957758

$out
[1]  1  1 -3 -3 -3

$group
[1]  2  8  8  9 12

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

Warning message:
In bxp(list(stats = c(0, 0.5, 1.5, 3.5, 5, -3, -2, -1.5, -1, -1,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6c2871227891634.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] [,8]
[1,] 22.0 20.0 19.0 19.0 17.0 16.0 16.0 16.0
[2,] 23.5 21.5 20.5 21.5 19.0 18.0 18.0 16.0
[3,] 24.0 22.5 21.0 22.0 20.0 19.5 19.0 16.0
[4,] 25.0 24.0 21.5 23.5 21.5 20.5 19.5 16.5
[5,] 27.0 27.0 22.0 24.0 23.0 22.0 21.0 17.0

$n
[1] 12 12 12 12 12 12 12  8

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 23.31584 21.35973 20.54389 21.08779 18.85973 18.35973 18.31584 15.72069
[2,] 24.68416 23.64027 21.45611 22.91221 21.14027 20.64027 19.68416 16.27931

$out
[1] 15 18

$group
[1] 8 8

$names
[1] "1" "2" "3" "4" "5" "6" "7" NA 

Warning message:
In bxp(list(stats = c(22, 23.5, 24, 25, 27, 20, 21.5, 22.5, 24,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/70ji41227891634.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,] 19.85714 19.00 19.7500
[2,] 20.07143 20.25 20.3750
[3,] 20.56250 21.00 20.6875
[4,] 21.18750 21.25 21.2500
[5,] 22.62500 22.50 21.8750

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 20.05345 20.54389 20.28841
[2,] 21.07155 21.45611 21.08659

$out
[1] 22.75

$group
[1] 3

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

Warning message:
In bxp(list(stats = c(19.8571428571429, 20.0714285714286, 20.5625,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1iqvt1227891634.ps tmp/1iqvt1227891634.png")
> system("convert tmp/2b22c1227891634.ps tmp/2b22c1227891634.png")
> system("convert tmp/3jfjp1227891634.ps tmp/3jfjp1227891634.png")
> system("convert tmp/4tusl1227891634.ps tmp/4tusl1227891634.png")
> system("convert tmp/51kyg1227891634.ps tmp/51kyg1227891634.png")
> system("convert tmp/6c2871227891634.ps tmp/6c2871227891634.png")
> system("convert tmp/70ji41227891634.ps tmp/70ji41227891634.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.222   0.957   1.536