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(7.5,7.6,7.9,7.9,8.1,8.2,8,7.5,6.8,6.5,6.6,7.6,8,8,7.7,7.5,7.6,7.7,7.9,7.8,7.5,7.5,7.1,7.5,7.5,7.6,7.7,7.7,7.9,8.1,8.2,8.2,8.1,7.9,7.3,6.9,6.6,6.7,6.9,7,7.1,7.2,7.1,6.9,7,6.8,6.4,6.7,6.7,6.4,6.3,6.2,6.5,6.8,6.8,6.5,6.3,5.9,5.9,6.4)
> 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] 60
> (np <- floor(n / par1))
[1] 5
> 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] 5 5 5 5 5 5 5 5 5 5 5 5
> arr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,]  7.5  8.0  7.5  6.6  6.7   NA
 [2,]  7.6  8.0  7.6  6.7  6.4   NA
 [3,]  7.9  7.7  7.7  6.9  6.3   NA
 [4,]  7.9  7.5  7.7  7.0  6.2   NA
 [5,]  8.1  7.6  7.9  7.1  6.5   NA
 [6,]  8.2  7.7  8.1  7.2  6.8   NA
 [7,]  8.0  7.9  8.2  7.1  6.8   NA
 [8,]  7.5  7.8  8.2  6.9  6.5   NA
 [9,]  6.8  7.5  8.1  7.0  6.3   NA
[10,]  6.5  7.5  7.9  6.8  5.9   NA
[11,]  6.6  7.1  7.3  6.4  5.9   NA
[12,]  7.6  7.5  6.9  6.7  6.4   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/1bita1229037220.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/2g9561229037220.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/3rub71229037220.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/491231229037220.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,]  6.6  6.4  6.3  6.2  6.5  6.8  6.8  6.5  6.3   5.9   5.9   6.4
[2,]  6.7  6.7  6.9  7.0  7.1  7.2  7.1  6.9  6.8   6.5   6.4   6.7
[3,]  7.5  7.6  7.7  7.5  7.6  7.7  7.9  7.5  7.0   6.8   6.6   6.9
[4,]  7.5  7.6  7.7  7.7  7.9  8.1  8.0  7.8  7.5   7.5   7.1   7.5
[5,]  8.0  8.0  7.9  7.9  8.1  8.2  8.2  8.2  8.1   7.9   7.3   7.6

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6.934722 6.964062 7.134722 7.005382 7.034722 7.064062 7.264062 6.864062
[2,] 8.065278 8.235938 8.265278 7.994618 8.165278 8.335938 8.535938 8.135938
         [,9]    [,10]    [,11]    [,12]
[1,] 6.505382 6.093403 6.105382 6.334722
[2,] 7.494618 7.506597 7.094618 7.465278

$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(6.6, 6.7, 7.5, 7.5, 8, 6.4, 6.7, 7.6, 7.6,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/512au1229037220.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,] 6.50 7.10 6.90 6.40 5.90   NA
[2,] 7.15 7.50 7.55 6.70 6.25   NA
[3,] 7.60 7.65 7.80 6.90 6.40   NA
[4,] 7.95 7.85 8.10 7.05 6.60   NA
[5,] 8.20 8.00 8.20 7.20 6.80   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 7.235115 7.490363 7.549141 6.740363 6.240363   NA
[2,] 7.964885 7.809637 8.050859 7.059637 6.559637   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(6.5, 7.15, 7.6, 7.95, 8.2, 7.1, 7.5, 7.65,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6rztp1229037220.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,] 6.66 6.60 6.750
[2,] 7.08 6.95 7.100
[3,] 7.26 7.50 7.225
[4,] 7.41 7.65 7.425
[5,] 7.60 7.90 7.650

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 7.109485 7.180725 7.076765
[2,] 7.410515 7.819275 7.373235

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(6.66, 7.08, 7.26, 7.41, 7.6, 6.6, 6.95, 7.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1bita1229037220.ps tmp/1bita1229037220.png")
> system("convert tmp/2g9561229037220.ps tmp/2g9561229037220.png")
> system("convert tmp/3rub71229037220.ps tmp/3rub71229037220.png")
> system("convert tmp/491231229037220.ps tmp/491231229037220.png")
> system("convert tmp/512au1229037220.ps tmp/512au1229037220.png")
> system("convert tmp/6rztp1229037220.ps tmp/6rztp1229037220.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.031   0.798   1.481