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(14,19,16,16,11,13,12,11,6,9,6,15,17,13,12,13,10,14,13,10,11,12,7,11,9,13,12,5,13,11,8,8,8,8,0,3,0,-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)
> 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] 84
> (np <- floor(n / par1))
[1] 7
> 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] 7 7 7 7 7 7 7 7 7 7 7 7
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
 [1,]   14   17    9    0    4    7    6   NA
 [2,]   19   13   13   -1    1    5    6   NA
 [3,]   16   12   12   -1    0    6    2   NA
 [4,]   16   13    5   -4   -4    1    2   NA
 [5,]   11   10   13    1   -2    3    2   NA
 [6,]   13   14   11   -1    3    6    3   NA
 [7,]   12   13    8    0    2    0   -1   NA
 [8,]   11   10    8   -1    5    3   -4   NA
 [9,]    6   11    8    6    6    4    4   NA
[10,]    9   12    8    0    6    7    5   NA
[11,]    6    7    0   -3    3    6    3   NA
[12,]   15   11    3   -3    4    6   -1   NA
> darr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
 [1,]    5   -4    4   -1   -3   -2    0   NA
 [2,]   -3   -1   -1    0   -1    1   -4   NA
 [3,]    0    1   -7   -3   -4   -5    0   NA
 [4,]   -5   -3    8    5    2    2    0   NA
 [5,]    2    4   -2   -2    5    3    1   NA
 [6,]   -1   -1   -3    1   -1   -6   -4   NA
 [7,]   -1   -3    0   -1    3    3   -3   NA
 [8,]   -5    1    0    7    1    1    8   NA
 [9,]    3    1    0   -6    0    3    1   NA
[10,]   -3   -5   -8   -3   -3   -1   -2   NA
[11,]    9    4    3    0    1    0   -4   NA
[12,]    2   -2   -3    7    3    0   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/1s9js1350643120.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/2b0ks1350643120.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/3fwrq1350643120.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/4y7pf1350643120.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,]  0.0   -1   -1 -4.0 -2.0   -1   -1   -4    4   5.0  -3.0  -3.0
[2,]  5.0    3    1 -1.5  1.5    3    0    1    5   5.5   1.5   1.0
[3,]  7.0    6    6  2.0  3.0    6    2    5    6   7.0   3.0   4.0
[4,] 11.5   13   12  9.0 10.5   12   10    9    7   8.5   6.0   8.5
[5,] 17.0   19   16 16.0 13.0   14   13   11    8  12.0   7.0  15.0

$n
 [1] 7 7 7 7 7 7 7 7 7 7 7 7

$conf
          [,1]        [,2]       [,3]      [,4]      [,5]       [,6]      [,7]
[1,]  3.118305  0.02816133 -0.5690225 -4.270431 -2.374655  0.6253452 -3.971839
[2,] 10.881695 11.97183867 12.5690225  8.270431  8.374655 11.3746548  7.971839
          [,8]     [,9]    [,10]     [,11]     [,12]
[1,] 0.2225291 4.805632 5.208448 0.3126726 -0.478879
[2,] 9.7774709 7.194368 8.791552 5.6873274  8.478879

$out
[1] 11  0

$group
[1]  9 10

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

Warning message:
In bxp(list(stats = c(0, 5, 7, 11.5, 17, -1, 3, 6, 13, 19, -1, 1,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5dv7s1350643120.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,] -4.0 -4.0 -7.0 -5.0 -2.0 -6.0 -3.0  0.0    0  -5.0  -4.0    -3
[2,] -2.5 -2.0 -4.5 -1.5 -0.5 -3.5 -2.0  0.5    0  -4.0   0.0    -2
[3,] -1.0 -1.0 -3.0  2.0  2.0 -1.0 -1.0  1.0    1  -3.0   1.0     1
[4,]  2.0 -0.5  0.0  3.5  3.5 -1.0  1.5  4.0    2  -2.5   3.5     3
[5,]  5.0  1.0  1.0  8.0  5.0  1.0  3.0  8.0    3  -1.0   4.0     7

$n
 [1] 7 7 7 7 7 7 7 7 7 7 7 6

$conf
          [,1]       [,2]       [,3]       [,4]       [,5]       [,6]      [,7]
[1,] -3.687327 -1.8957758 -5.6873274 -0.9859193 -0.3887355 -2.4929597 -3.090144
[2,]  1.687327 -0.1042242 -0.3126726  4.9859193  4.3887355  0.4929597  1.090144
          [,8]       [,9]     [,10]     [,11]     [,12]
[1,] -1.090144 -0.1943677 -3.895776 -1.090144 -2.225161
[2,]  3.090144  2.1943677 -2.104224  3.090144  4.225161

$out
[1] -5 -6 -8  9

$group
[1]  8  9 10 11

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

Warning message:
In bxp(list(stats = c(-4, -2.5, -1, 2, 5, -4, -2, -1, -0.5, 1, -7,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6srp81350643120.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] [,8]
[1,]  6.0  7.0  0.0   -4 -4.0  0.0 -4.0   NA
[2,] 10.0 10.5  6.5   -2  0.5  3.0  0.5   NA
[3,] 12.5 12.0  8.0   -1  3.0  5.5  2.5   NA
[4,] 15.5 13.0 11.5    0  4.5  6.0  4.5   NA
[5,] 19.0 14.0 13.0    1  6.0  7.0  6.0   NA

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

$conf
          [,1]     [,2]      [,3]        [,4]     [,5]    [,6]      [,7] [,8]
[1,]  9.991413 10.85973  5.719466 -1.91221343 1.175573 4.13168 0.6755731   NA
[2,] 15.008587 13.14027 10.280534 -0.08778657 4.824427 6.86832 4.3244269   NA

$out
[1] 17  6

$group
[1] 2 4

$names
[1] "1" "2" "3" "4" "5" "6" "7" NA 

Warning message:
In bxp(list(stats = c(6, 10, 12.5, 15.5, 19, 7, 10.5, 12, 13, 14,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7d36c1350643120.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,] 3.142857  2.0 3.750
[2,] 4.714286  3.0 4.875
[3,] 5.928571  5.5 6.000
[4,] 6.857143  6.0 7.250
[5,] 8.142857  7.0 8.250

$n
[1] 12 12 12

$conf
         [,1]    [,2]     [,3]
[1,] 4.951200 4.13168 4.916747
[2,] 6.905943 6.86832 7.083253

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(3.14285714285714, 4.71428571428571, 5.92857142857143,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1s9js1350643120.ps tmp/1s9js1350643120.png",intern=TRUE))
character(0)
> try(system("convert tmp/2b0ks1350643120.ps tmp/2b0ks1350643120.png",intern=TRUE))
character(0)
> try(system("convert tmp/3fwrq1350643120.ps tmp/3fwrq1350643120.png",intern=TRUE))
character(0)
> try(system("convert tmp/4y7pf1350643120.ps tmp/4y7pf1350643120.png",intern=TRUE))
character(0)
> try(system("convert tmp/5dv7s1350643120.ps tmp/5dv7s1350643120.png",intern=TRUE))
character(0)
> try(system("convert tmp/6srp81350643120.ps tmp/6srp81350643120.png",intern=TRUE))
character(0)
> try(system("convert tmp/7d36c1350643120.ps tmp/7d36c1350643120.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.403   0.723   4.112