R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows"
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(1.6,2,2.6,3,2.6,2.9,2.5,2.4,1.5,1.1,0.6,0.9)
> par1 = '12'
> par1 <- '12'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa P., (2012), Mean Plot (v1.0.4) 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
> #
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 12
> (np <- floor(n / par1))
[1] 1
> 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] 1 1 1 1 1 1 1 1 1 1 1 1
> arr
      [,1] [,2]
 [1,]  1.6   NA
 [2,]  2.0   NA
 [3,]  2.6   NA
 [4,]  3.0   NA
 [5,]  2.6   NA
 [6,]  2.9   NA
 [7,]  2.5   NA
 [8,]  2.4   NA
 [9,]  1.5   NA
[10,]  1.1   NA
[11,]  0.6   NA
[12,]  0.9   NA
> darr
      [,1] [,2]
 [1,]  0.4   NA
 [2,]  0.6   NA
 [3,]  0.4   NA
 [4,] -0.4   NA
 [5,]  0.3   NA
 [6,] -0.4   NA
 [7,] -0.1   NA
 [8,] -0.9   NA
 [9,] -0.4   NA
[10,] -0.5   NA
[11,]  0.3   NA
[12,]   NA   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/wessaorg/rcomp/tmp/17vzg1350632364.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/2u5be1350632364.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/3q4la1350632364.ps",horizontal=F,onefile=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/wessaorg/rcomp/tmp/45zo21350632364.ps",horizontal=F,onefile=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,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9
[2,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9
[3,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9
[4,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9
[5,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9

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

$conf
     [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12]
[1,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9
[2,]  1.6    2  2.6    3  2.6  2.9  2.5  2.4  1.5   1.1   0.6   0.9

$out
numeric(0)

$group
numeric(0)

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

> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5a9wf1350632364.ps",horizontal=F,onefile=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,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA
[2,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA
[3,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA
[4,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA
[5,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA

$n
 [1] 1 1 1 1 1 1 1 1 1 1 1 0

$conf
     [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12]
[1,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA
[2,]  0.4  0.6  0.4 -0.4  0.3 -0.4 -0.1 -0.9 -0.4  -0.5   0.3    NA

$out
numeric(0)

$group
numeric(0)

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

> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6c26v1350632364.ps",horizontal=F,onefile=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]
[1,]  0.6   NA
[2,]  1.3   NA
[3,]  2.2   NA
[4,]  2.6   NA
[5,]  3.0   NA

$n
[1] 12  0

$conf
         [,1] [,2]
[1,] 1.607061   NA
[2,] 2.792939   NA

$out
numeric(0)

$group
numeric(0)

$names
[1] "1" NA 

Warning message:
In bxp(list(stats = c(0.6, 1.3, 2.2, 2.6, 3, NA, NA, NA, NA, NA),  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7ramw1350632364.ps",horizontal=F,onefile=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,]  0.6  0.6  0.6
[2,]  1.3  1.3  1.3
[3,]  2.2  2.2  2.2
[4,]  2.6  2.6  2.6
[5,]  3.0  3.0  3.0

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 1.607061 1.607061 1.607061
[2,] 2.792939 2.792939 2.792939

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(0.6, 1.3, 2.2, 2.6, 3, 0.6, 1.3, 2.2, 2.6,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/17vzg1350632364.ps tmp/17vzg1350632364.png",intern=TRUE))
character(0)
> try(system("convert tmp/2u5be1350632364.ps tmp/2u5be1350632364.png",intern=TRUE))
character(0)
> try(system("convert tmp/3q4la1350632364.ps tmp/3q4la1350632364.png",intern=TRUE))
character(0)
> try(system("convert tmp/45zo21350632364.ps tmp/45zo21350632364.png",intern=TRUE))
character(0)
> try(system("convert tmp/5a9wf1350632364.ps tmp/5a9wf1350632364.png",intern=TRUE))
character(0)
> try(system("convert tmp/6c26v1350632364.ps tmp/6c26v1350632364.png",intern=TRUE))
character(0)
> try(system("convert tmp/7ramw1350632364.ps tmp/7ramw1350632364.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.098   0.547   3.630