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(21.1,21.0,20.4,19.5,18.6,18.8,23.7,24.8,25.0,23.6,22.3,21.8,20.8,19.7,18.3,17.4,17.0,18.1,23.9,25.6,25.3,23.6,21.9,21.4,20.6,20.5,20.2,20.6,19.7,19.3,22.8,23.5,23.8,22.6,22.0,21.7,20.7,20.2,19.1,19.5,18.7,18.6,22.2,23.2,23.5,21.3,20.0,18.7,18.9,18.3,18.4,19.9,19.2,18.5,20.9,20.5,19.4,18.1,17.0,17.0,17.3,16.7,15.5,15.3,13.7,14.1,17.3,18.1)
> 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] 68
> (np <- floor(n / par1))
[1] 5
> 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] 6 6 6 6 6 6 6 6 5 5 5 5
> arr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,] 21.1 20.8 20.6 20.7 18.9 17.3
 [2,] 21.0 19.7 20.5 20.2 18.3 16.7
 [3,] 20.4 18.3 20.2 19.1 18.4 15.5
 [4,] 19.5 17.4 20.6 19.5 19.9 15.3
 [5,] 18.6 17.0 19.7 18.7 19.2 13.7
 [6,] 18.8 18.1 19.3 18.6 18.5 14.1
 [7,] 23.7 23.9 22.8 22.2 20.9 17.3
 [8,] 24.8 25.6 23.5 23.2 20.5 18.1
 [9,] 25.0 25.3 23.8 23.5 19.4   NA
[10,] 23.6 23.6 22.6 21.3 18.1   NA
[11,] 22.3 21.9 22.0 20.0 17.0   NA
[12,] 21.8 21.4 21.7 18.7 17.0   NA
> darr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,] -0.1 -1.1 -0.1 -0.5 -0.6 -0.6
 [2,] -0.6 -1.4 -0.3 -1.1  0.1 -1.2
 [3,] -0.9 -0.9  0.4  0.4  1.5 -0.2
 [4,] -0.9 -0.4 -0.9 -0.8 -0.7 -1.6
 [5,]  0.2  1.1 -0.4 -0.1 -0.7  0.4
 [6,]  4.9  5.8  3.5  3.6  2.4  3.2
 [7,]  1.1  1.7  0.7  1.0 -0.4  0.8
 [8,]  0.2 -0.3  0.3  0.3 -1.1   NA
 [9,] -1.4 -1.7 -1.2 -2.2 -1.3   NA
[10,] -1.3 -1.7 -0.6 -1.3 -1.1   NA
[11,] -0.5 -0.5 -0.3 -1.3  0.0   NA
[12,] -1.0 -0.8 -1.0  0.2  0.3   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/181er1229002532.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/24onc1229002532.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/3fpd71229002532.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/4zifn1229002532.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,] 17.30 16.70 15.50 15.3 17.00 18.10 17.3 18.10 23.5  18.1  17.0  17.0
[2,] 18.90 18.30 18.30 17.4 17.00 18.10 20.9 20.50 23.5  21.3  20.0  18.7
[3,] 20.65 19.95 18.75 19.5 18.65 18.55 22.5 23.35 23.8  22.6  21.9  21.4
[4,] 20.80 20.50 20.20 19.9 19.20 18.80 23.7 24.80 25.0  23.6  22.0  21.7
[5,] 21.10 21.00 20.40 20.6 19.70 19.30 23.9 25.60 25.3  23.6  22.3  21.8

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 19.42444 18.53093 17.52444 17.88742 17.23093 18.09848 20.69391 20.57636
[2,] 21.87556 21.36907 19.97556 21.11258 20.06907 19.00152 24.30609 26.12364
         [,9]    [,10]    [,11]    [,12]
[1,] 22.74010 20.97483 20.48681 19.28021
[2,] 24.85990 24.22517 23.31319 23.51979

$out
[1] 13.7 14.1 19.4

$group
[1] 5 6 9

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

Warning message:
In bxp(list(stats = c(17.3, 18.9, 20.65, 20.8, 21.1, 16.7, 18.3,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5lgdb1229002532.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,] -1.10 -1.40 -0.9 -0.90 -0.70 2.40  0.7 -1.1 -2.2  -1.3  -0.5  -1.0
[2,] -0.60 -1.20 -0.9 -0.90 -0.40 3.20  0.7 -0.3 -1.7  -1.3  -0.5  -1.0
[3,] -0.55 -0.85  0.1 -0.85  0.05 3.55  0.9  0.2 -1.4  -1.3  -0.5  -0.8
[4,] -0.10 -0.30  0.4 -0.70  0.40 4.90  1.1  0.3 -1.3  -1.1  -0.3   0.2
[5,] -0.10  0.10  1.5 -0.40  1.10 5.80  1.7  0.3 -1.2  -1.1  -0.3   0.3

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

$conf
           [,1]       [,2]      [,3]       [,4]       [,5]     [,6]      [,7]
[1,] -0.8725161 -1.4305291 -0.738542 -0.9790065 -0.4660258 2.453445 0.6419871
[2,] -0.2274839 -0.2694709  0.938542 -0.7209935  0.5660258 4.646555 1.1580129
           [,8]      [,9]     [,10]      [,11]       [,12]
[1,] -0.2239585 -1.682639 -1.441319 -0.6413195 -1.64791698
[2,]  0.6239585 -1.117361 -1.158681 -0.3586805  0.04791698

$out
[1] -1.6 -0.4 -1.7 -0.6 -1.3  0.0

$group
[1]  4  7 10 10 11 11

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

Warning message:
In bxp(list(stats = c(-1.10000000000000, -0.600000000000001, -0.549999999999999,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/62ws31229002532.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,] 18.60 17.00 19.30 18.60 17.00 13.7
[2,] 19.95 18.20 20.35 18.90 18.20 14.7
[3,] 21.45 21.10 21.15 20.10 18.70 16.1
[4,] 23.65 23.75 22.70 21.75 19.65 17.3
[5,] 25.00 25.60 23.80 23.50 20.90 18.1

$n
[1] 12 12 12 12 12  8

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]
[1,] 19.76241 18.56861 20.07815 18.80010 18.03865 14.64760
[2,] 23.13759 23.63139 22.22185 21.39990 19.36135 17.55240

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(18.6, 19.95, 21.45, 23.65, 25, 17, 18.2, 21.1,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/7mle51229002532.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,] 17.81667 18.550 18.23750
[2,] 18.67500 19.125 18.99375
[3,] 20.01000 21.025 20.12500
[4,] 21.82000 22.550 22.40000
[5,] 23.40000 23.800 24.25000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 18.57554 19.46283 18.57139
[2,] 21.44446 22.58717 21.67861

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(17.8166666666667, 18.675, 20.01, 21.82, 23.4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/181er1229002532.ps tmp/181er1229002532.png")
> system("convert tmp/24onc1229002532.ps tmp/24onc1229002532.png")
> system("convert tmp/3fpd71229002532.ps tmp/3fpd71229002532.png")
> system("convert tmp/4zifn1229002532.ps tmp/4zifn1229002532.png")
> system("convert tmp/5lgdb1229002532.ps tmp/5lgdb1229002532.png")
> system("convert tmp/62ws31229002532.ps tmp/62ws31229002532.png")
> system("convert tmp/7mle51229002532.ps tmp/7mle51229002532.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.193   0.944   1.538