R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(94.10,94.90,96.40,91.10,84.40,86.40,88.00,75.10,109.70,103.00,82.10,68.00,96.40,94.30,90.00,88.00,76.10,82.50,81.40,66.50,97.20,94.10,80.70,70.50,87.80,89.50,99.60,84.20,75.10,92.00,80.80,73.10,99.80,90.00,83.10,72.40,78.80,87.30,91.00,80.10,73.60,86.40,74.50,71.20,92.40,81.50,85.30,69.90)
> par1 = '12'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: Wessa P., (2007), Mean Plot (v1.0.1) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_meanplot.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 48
> (np <- floor(n / par1))
[1] 4
> 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] 4 4 4 4 4 4 4 4 4 4 4 4
> arr
       [,1] [,2] [,3] [,4] [,5]
 [1,]  94.1 96.4 87.8 78.8   NA
 [2,]  94.9 94.3 89.5 87.3   NA
 [3,]  96.4 90.0 99.6 91.0   NA
 [4,]  91.1 88.0 84.2 80.1   NA
 [5,]  84.4 76.1 75.1 73.6   NA
 [6,]  86.4 82.5 92.0 86.4   NA
 [7,]  88.0 81.4 80.8 74.5   NA
 [8,]  75.1 66.5 73.1 71.2   NA
 [9,] 109.7 97.2 99.8 92.4   NA
[10,] 103.0 94.1 90.0 81.5   NA
[11,]  82.1 80.7 83.1 85.3   NA
[12,]  68.0 70.5 72.4 69.9   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/freestat/rcomp/tmp/1aavh1225741126.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/freestat/rcomp/tmp/2mkdf1225741126.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/freestat/rcomp/tmp/3q7u31225741126.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/freestat/rcomp/tmp/4lb161225741126.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,] 78.80 87.3 90.0 80.10 73.60 82.50 74.50 66.50  92.40  81.50  80.7 68.00
[2,] 83.30 88.4 90.5 82.15 74.35 84.45 77.65 68.85  94.80  85.75  81.4 68.95
[3,] 90.95 91.9 93.7 86.10 75.60 86.40 81.10 72.15  98.50  92.05  82.6 70.20
[4,] 95.25 94.6 98.0 89.55 80.25 89.20 84.70 74.10 104.75  98.55  84.2 71.45
[5,] 96.40 94.9 99.6 91.10 84.40 92.00 88.00 75.10 109.70 103.00  85.3 72.40

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

$conf
         [,1]   [,2]   [,3]   [,4]   [,5]    [,6]    [,7]    [,8]     [,9]
[1,]  81.5095 87.002 87.775 80.254 70.939 82.6475 75.5305 68.0025  90.6395
[2,] 100.3905 96.798 99.625 91.946 80.261 90.1525 86.6695 76.2975 106.3605
       [,10]  [,11]  [,12]
[1,]  81.938 80.388 68.225
[2,] 102.162 84.812 72.175

$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(78.8, 83.3, 90.95, 95.25, 96.4, 87.3, 88.4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5xkvn1225741126.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,]  68.00 66.50 72.40 69.90   NA
[2,]  83.25 78.40 77.95 74.05   NA
[3,]  89.55 85.25 86.00 80.80   NA
[4,]  95.65 94.20 91.00 86.85   NA
[5,] 109.70 97.20 99.80 92.40   NA

$n
[1] 12 12 12 12  0

$conf
         [,1]     [,2]    [,3]     [,4] [,5]
[1,] 83.89428 78.04351 80.0478 74.96183   NA
[2,] 95.20572 92.45649 91.9522 86.63817   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(68, 83.25, 89.55, 95.65, 109.7, 66.5, 78.4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/64by81225741126.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,] 70.2000 70.200 70.20000
[2,] 79.2375 78.350 78.79375
[3,] 86.3375 86.250 86.29375
[4,] 91.8250 91.975 91.90000
[5,] 99.7750 98.500 99.13750

$n
[1] 12 12 12

$conf
         [,1]     [,2]    [,3]
[1,] 80.59626 80.03555 80.3159
[2,] 92.07874 92.46445 92.2716

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(70.2, 79.2375, 86.3375, 91.825, 99.775, 70.2,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1aavh1225741126.ps tmp/1aavh1225741126.png")
> system("convert tmp/2mkdf1225741126.ps tmp/2mkdf1225741126.png")
> system("convert tmp/3q7u31225741126.ps tmp/3q7u31225741126.png")
> system("convert tmp/4lb161225741126.ps tmp/4lb161225741126.png")
> system("convert tmp/5xkvn1225741126.ps tmp/5xkvn1225741126.png")
> system("convert tmp/64by81225741126.ps tmp/64by81225741126.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.923   1.267   2.696