R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(9,13,12,5,13,11,8,8,8,8,0,3,0,-1,-1,-4,1,-1,0,-1,6,0,-3,-3,4,1,0,-4,-2,3,2,5,6,6,3,4,7,5,6,1,3,6,0,3,4,7,6,6,6,6,2,2,2,3,-1,-4,4,5,3,-1,-4,0,-1,-1,3,2,-4,-3,-1,3,-2,-10)
> 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] 72
> (np <- floor(n / par1))
[1] 6
> 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 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,]    9    0    4    7    6   -4   NA
 [2,]   13   -1    1    5    6    0   NA
 [3,]   12   -1    0    6    2   -1   NA
 [4,]    5   -4   -4    1    2   -1   NA
 [5,]   13    1   -2    3    2    3   NA
 [6,]   11   -1    3    6    3    2   NA
 [7,]    8    0    2    0   -1   -4   NA
 [8,]    8   -1    5    3   -4   -3   NA
 [9,]    8    6    6    4    4   -1   NA
[10,]    8    0    6    7    5    3   NA
[11,]    0   -3    3    6    3   -2   NA
[12,]    3   -3    4    6   -1  -10   NA
> darr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,]    4   -1   -3   -2    0    4   NA
 [2,]   -1    0   -1    1   -4   -1   NA
 [3,]   -7   -3   -4   -5    0    0   NA
 [4,]    8    5    2    2    0    4   NA
 [5,]   -2   -2    5    3    1   -1   NA
 [6,]   -3    1   -1   -6   -4   -6   NA
 [7,]    0   -1    3    3   -3    1   NA
 [8,]    0    7    1    1    8    2   NA
 [9,]    0   -6    0    3    1    4   NA
[10,]   -8   -3   -3   -1   -2   -5   NA
[11,]    3    0    1    0   -4   -8   NA
[12,]   -3    7    3    0   -3   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/1va6s1381918439.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/2zr2s1381918439.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/3u5d91381918439.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/40pzz1381918439.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,]   -4   -1   -1   -4 -2.0   -1   -4   -4    4   0.0  -3.0   -10
[2,]    0    0   -1   -4  1.0    2   -1   -3    4   3.0  -2.0    -3
[3,]    5    3    1    0  2.5    3    0    1    5   5.5   1.5     1
[4,]    7    6    6    2  3.0    6    2    5    6   7.0   3.0     4
[5,]    9   13   12    5  3.0   11    2    8    8   8.0   6.0     6

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

$conf
          [,1]       [,2]      [,3]      [,4]     [,5]      [,6]      [,7]
[1,] 0.4847739 -0.8701938 -3.515226 -3.870194 1.209935 0.4198708 -1.935097
[2,] 9.5152261  6.8701938  5.515226  3.870194 3.790065 5.5801292  1.935097
          [,8]     [,9]    [,10]     [,11]     [,12]
[1,] -4.160258 3.709935 2.919871 -1.725161 -3.515226
[2,]  6.160258 6.290065 8.080129  4.725161  5.515226

$out
[1] 13  8 -1

$group
[1] 5 7 9

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

Warning message:
In bxp(list(stats = c(-4, 0, 5, 7, 9, -1, 0, 3, 6, 13, -1, -1, 1,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/598s01381918439.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,] -3.0   -1 -7.0    0   -2 -6.0 -3.0  0.0  0.0    -8    -8    -3
[2,] -2.0   -1 -5.0    2   -2 -6.0 -1.0  1.0  0.0    -5    -4    -3
[3,] -0.5   -1 -3.5    3    0 -3.5  0.5  1.5  0.5    -3     0     0
[4,]  4.0    0  0.0    5    3 -1.0  3.0  7.0  3.0    -2     1     3
[5,]  4.0    1  0.0    8    5  1.0  3.0  8.0  4.0    -1     3     7

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

$conf
          [,1]       [,2]       [,3]     [,4]      [,5]       [,6]      [,7]
[1,] -4.370194 -1.6450323 -6.7251615 1.064903 -3.225161 -6.7251615 -2.080129
[2,]  3.370194 -0.3549677 -0.2748385 4.935097  3.225161 -0.2748385  3.080129
          [,8]      [,9]     [,10]     [,11]     [,12]
[1,] -2.370194 -1.435097 -4.935097 -3.225161 -4.239585
[2,]  5.370194  2.435097 -1.064903  3.225161  4.239585

$out
[1] -4 -6

$group
[1] 2 9

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

Warning message:
In bxp(list(stats = c(-3, -2, -0.5, 4, 4, -1, -1, -1, 0, 1, -7,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6nho81381918439.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] [,3] [,4] [,5]  [,6] [,7]
[1,]  0.0   -4 -4.0  0.0 -4.0 -10.0   NA
[2,]  6.5   -2  0.5  3.0  0.5  -3.5   NA
[3,]  8.0   -1  3.0  5.5  2.5  -1.0   NA
[4,] 11.5    0  4.5  6.0  4.5   1.0   NA
[5,] 13.0    1  6.0  7.0  6.0   3.0   NA

$n
[1] 12 12 12 12 12 12  0

$conf
          [,1]        [,2]     [,3]    [,4]      [,5]     [,6] [,7]
[1,]  5.719466 -1.91221343 1.175573 4.13168 0.6755731 -3.05248   NA
[2,] 10.280534 -0.08778657 4.824427 6.86832 4.3244269  1.05248   NA

$out
[1] 6

$group
[1] 2

$names
[1] "1" "2" "3" "4" "5" "6" NA 

Warning message:
In bxp(list(stats = c(0, 6.5, 8, 11.5, 13, -4, -2, -1, 0, 1, -4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7dwzx1381918439.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,] -0.1666667  0.0 -0.7500
[2,]  1.0000000  1.0  0.6875
[3,]  3.1666667  2.0  2.1250
[4,]  4.0000000  4.0  3.8125
[5,]  4.8333333  5.5  5.1250

$n
[1] 12 12 12

$conf
         [,1]      [,2]      [,3]
[1,] 1.798347 0.6316799 0.6996665
[2,] 4.534987 3.3683201 3.5503335

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(-0.166666666666667, 1, 3.16666666666667, 4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1va6s1381918439.ps tmp/1va6s1381918439.png",intern=TRUE))
character(0)
> try(system("convert tmp/2zr2s1381918439.ps tmp/2zr2s1381918439.png",intern=TRUE))
character(0)
> try(system("convert tmp/3u5d91381918439.ps tmp/3u5d91381918439.png",intern=TRUE))
character(0)
> try(system("convert tmp/40pzz1381918439.ps tmp/40pzz1381918439.png",intern=TRUE))
character(0)
> try(system("convert tmp/598s01381918439.ps tmp/598s01381918439.png",intern=TRUE))
character(0)
> try(system("convert tmp/6nho81381918439.ps tmp/6nho81381918439.png",intern=TRUE))
character(0)
> try(system("convert tmp/7dwzx1381918439.ps tmp/7dwzx1381918439.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.556   0.742   4.284