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(8.3,8.2,8,7.9,7.6,7.6,8.2,8.3,8.4,8.4,8.4,8.6,8.9,8.8,8.3,7.5,7.2,7.5,8.8,9.3,9.3,8.7,8.2,8.3,8.5,8.6,8.6,8.2,8.1,8,8.6,8.7,8.8,8.5,8.4,8.5,8.7,8.7,8.6,8.5,8.3,8.1,8.2,8.1,8.1,7.9,7.9,7.9,8,8,7.9,8,7.7,7.2,7.5,7.3,7,7,7,7.2,7.3,7.1,6.8,6.6,6.2)
> 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] 65
> (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] 6 6 6 6 6 5 5 5 5 5 5 5
> arr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,]  8.3  8.9  8.5  8.7  8.0  7.3
 [2,]  8.2  8.8  8.6  8.7  8.0  7.1
 [3,]  8.0  8.3  8.6  8.6  7.9  6.8
 [4,]  7.9  7.5  8.2  8.5  8.0  6.6
 [5,]  7.6  7.2  8.1  8.3  7.7  6.2
 [6,]  7.6  7.5  8.0  8.1  7.2   NA
 [7,]  8.2  8.8  8.6  8.2  7.5   NA
 [8,]  8.3  9.3  8.7  8.1  7.3   NA
 [9,]  8.4  9.3  8.8  8.1  7.0   NA
[10,]  8.4  8.7  8.5  7.9  7.0   NA
[11,]  8.4  8.2  8.4  7.9  7.0   NA
[12,]  8.6  8.3  8.5  7.9  7.2   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/1zj0x1226153314.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/278x51226153314.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/3hlj61226153314.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/4n9cw1226153314.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,]  7.3  7.1 7.90 6.60 6.20  7.2  8.2  7.3  8.1   7.9   7.9   7.2
[2,]  8.0  8.0 7.90 7.50 7.20  7.5  8.2  8.1  8.1   7.9   7.9   7.9
[3,]  8.4  8.4 8.15 7.95 7.65  7.6  8.2  8.3  8.4   8.4   8.2   8.3
[4,]  8.7  8.7 8.60 8.20 8.10  8.0  8.6  8.7  8.8   8.5   8.4   8.5
[5,]  8.9  8.8 8.60 8.50 8.30  8.1  8.8  9.3  9.3   8.7   8.4   8.6

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 7.948477 7.948477 7.698477 7.498477 7.069471 7.246701 7.917361 7.876042
[2,] 8.851523 8.851523 8.601523 8.401523 8.230529 7.953299 8.482639 8.723958
         [,9]    [,10]    [,11]    [,12]
[1,] 7.905382 7.976042 7.846701 7.876042
[2,] 8.894618 8.823958 8.553299 8.723958

$out
[1] 6.8 7.5 7.0 7.0 7.0

$group
[1]  3  7  9 10 11

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

Warning message:
In bxp(list(stats = c(7.3, 8, 8.4, 8.7, 8.9, 7.1, 8, 8.4, 8.7, 8.8,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/55rsa1226153314.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,] 7.60 7.20  8.0 7.90 7.00  6.2
[2,] 7.95 7.85  8.3 8.00 7.10  6.6
[3,] 8.25 8.50  8.5 8.15 7.40  6.8
[4,] 8.40 8.85  8.6 8.55 7.95  7.1
[5,] 8.60 9.30  8.8 8.70 8.00  7.3

$n
[1] 12 12 12 12 12  5

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]
[1,] 8.044752 8.043893 8.363168 7.899141 7.012309 6.446701
[2,] 8.455248 8.956107 8.636832 8.400859 7.787691 7.153299

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7.6, 7.95, 8.25, 8.4, 8.6, 7.2, 7.85, 8.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/679hi1226153314.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,] 7.516667 7.60 7.65000
[2,] 7.881667 8.05 8.01250
[3,] 8.100000 8.25 8.21250
[4,] 8.271667 8.40 8.38125
[5,] 8.340000 8.40 8.45000

$n
[1] 12 12 12

$conf
         [,1]     [,2]    [,3]
[1,] 7.922118 8.090363 8.04431
[2,] 8.277882 8.409637 8.38069

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7.51666666666667, 7.88166666666667, 8.1, 8.27166666666667,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1zj0x1226153314.ps tmp/1zj0x1226153314.png")
> system("convert tmp/278x51226153314.ps tmp/278x51226153314.png")
> system("convert tmp/3hlj61226153314.ps tmp/3hlj61226153314.png")
> system("convert tmp/4n9cw1226153314.ps tmp/4n9cw1226153314.png")
> system("convert tmp/55rsa1226153314.ps tmp/55rsa1226153314.png")
> system("convert tmp/679hi1226153314.ps tmp/679hi1226153314.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.247   0.793   1.552