R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(43200,41600,44000,35200,45600,44800,48000,49600,55200,48000,45600,56800,48000,36000,42400,32000,44800,36800,48800,44000,46400,52000,51200,60800,44000,36800,40800,29600,42400,32800,46400,44000,39200,56000,50400,57600,43200,40000,36000,29600,39200,35200,48000,46400,40000,53600,49600,64000,51200,31200,31200,31200,36800,36800,49600,45600,40800,51200,47200,68000,53600,31200,32800,27200,37600,43200,54400,53600,43200,50400,44800,64000,48800,39200,35200,26400,39200,47200,55200,52000,38400,55200,43200,66400,55200,40000,36800,24800,39200,37600,56800,56800,43200,56000,41600,64800,55200,40800,31200,21600,42400,40800,53600,61600,45600,51200,38400,66400)
> 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] 108
> (np <- floor(n / par1))
[1] 9
> 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] 9 9 9 9 9 9 9 9 9 9 9 9
> arr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7]  [,8]  [,9] [,10]
 [1,] 43200 48000 44000 43200 51200 53600 48800 55200 55200    NA
 [2,] 41600 36000 36800 40000 31200 31200 39200 40000 40800    NA
 [3,] 44000 42400 40800 36000 31200 32800 35200 36800 31200    NA
 [4,] 35200 32000 29600 29600 31200 27200 26400 24800 21600    NA
 [5,] 45600 44800 42400 39200 36800 37600 39200 39200 42400    NA
 [6,] 44800 36800 32800 35200 36800 43200 47200 37600 40800    NA
 [7,] 48000 48800 46400 48000 49600 54400 55200 56800 53600    NA
 [8,] 49600 44000 44000 46400 45600 53600 52000 56800 61600    NA
 [9,] 55200 46400 39200 40000 40800 43200 38400 43200 45600    NA
[10,] 48000 52000 56000 53600 51200 50400 55200 56000 51200    NA
[11,] 45600 51200 50400 49600 47200 44800 43200 41600 38400    NA
[12,] 56800 60800 57600 64000 68000 64000 66400 64800 66400    NA
> darr
       [,1]   [,2]   [,3]   [,4]   [,5]   [,6]   [,7]   [,8]   [,9] [,10]
 [1,] -1600 -12000  -7200  -3200 -20000 -22400  -9600 -15200 -14400    NA
 [2,]  2400   6400   4000  -4000      0   1600  -4000  -3200  -9600    NA
 [3,] -8800 -10400 -11200  -6400      0  -5600  -8800 -12000  -9600    NA
 [4,] 10400  12800  12800   9600   5600  10400  12800  14400  20800    NA
 [5,]  -800  -8000  -9600  -4000      0   5600   8000  -1600  -1600    NA
 [6,]  3200  12000  13600  12800  12800  11200   8000  19200  12800    NA
 [7,]  1600  -4800  -2400  -1600  -4000   -800  -3200      0   8000    NA
 [8,]  5600   2400  -4800  -6400  -4800 -10400 -13600 -13600 -16000    NA
 [9,] -7200   5600  16800  13600  10400   7200  16800  12800   5600    NA
[10,] -2400   -800  -5600  -4000  -4000  -5600 -12000 -14400 -12800    NA
[11,] 11200   9600   7200  14400  20800  19200  23200  23200  28000    NA
[12,] -8800 -16800 -14400 -12800 -14400 -15200 -11200  -9600     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/1f4ow1438352697.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/2t0mf1438352697.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/31e8z1438352697.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/4s7hb1438352697.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,] 43200 31200 31200 21600 36800 32800 46400 44000 38400 48000 38400 56800
[2,] 44000 36000 32800 26400 39200 36800 48000 45600 40000 51200 43200 60800
[3,] 48800 39200 36000 29600 39200 37600 49600 49600 43200 52000 45600 64000
[4,] 53600 40000 40800 31200 42400 43200 54400 53600 45600 55200 49600 66400
[5,] 55200 41600 44000 35200 45600 47200 56800 61600 46400 56000 51200 68000

$n
 [1] 9 9 9 9 9 9 9 9 9 9 9 9

$conf
      [,1]     [,2]     [,3]  [,4]     [,5]     [,6]     [,7]     [,8]     [,9]
[1,] 43744 37093.33 31786.67 27072 37514.67 34229.33 46229.33 45386.67 40250.67
[2,] 53856 41306.67 40213.33 32128 40885.33 40970.67 52970.67 53813.33 46149.33
        [,10]    [,11]    [,12]
[1,] 49893.33 42229.33 61050.67
[2,] 54106.67 48970.67 66949.33

$out
[1] 55200

$group
[1] 9

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

Warning message:
In bxp(list(stats = c(43200, 44000, 48800, 53600, 55200, 31200,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5ldjv1438352697.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]
[1,] -22400 -9600 -12000  9600 -9600 11200 -4800 -16000  5600 -14400  7200
[2,] -15200 -4000 -10400 10400 -4000 11200 -3200 -13600  5600 -12000 11200
[3,] -12000     0  -8800 12800 -1600 12800 -1600  -6400 10400  -5600 19200
[4,]  -7200  2400  -6400 12800     0 12800     0  -4800 13600  -4000 23200
[5,]  -1600  6400  -5600 14400  5600 13600  1600   5600 16800   -800 28000
      [,12]
[1,] -16800
[2,] -14800
[3,] -13600
[4,] -10400
[5,]  -8800

$n
 [1] 9 9 9 9 9 9 9 9 9 9 9 8

$conf
           [,1]      [,2]       [,3]  [,4]       [,5]     [,6]        [,7]
[1,] -16213.333 -3370.667 -10906.667 11536 -3706.6667 11957.33 -3285.33333
[2,]  -7786.667  3370.667  -6693.333 14064   506.6667 13642.67    85.33333
           [,8]      [,9]     [,10] [,11]    [,12]
[1,] -11034.667  6186.667 -9813.333 12880 -16057.9
[2,]  -1765.333 14613.333 -1386.667 25520 -11142.1

$out
[1]     0  5600 20800  8000  3200  8000 19200  8000 -7200

$group
[1] 3 4 4 5 6 6 6 7 9

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

Warning message:
In bxp(list(stats = c(-22400, -15200, -12000, -7200, -1600, -9600,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6t9nx1438352697.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]  [,9] [,10]
[1,] 41600 32000 29600 29600 31200 27200 26400 24800 21600    NA
[2,] 43600 39600 38000 37600 34000 35200 38800 38400 39600    NA
[3,] 45600 45600 43200 41600 43200 44000 45200 42400 44000    NA
[4,] 48800 50000 48400 48800 50400 53600 53600 56400 54400    NA
[5,] 55200 60800 57600 64000 68000 64000 66400 64800 66400    NA

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

$conf
         [,1]     [,2]     [,3]    [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 43228.25 40856.49 38456.49 36491.6 35719.85 35607.64 38449.62 34190.08
[2,] 47971.75 50343.51 47943.51 46708.4 50680.15 52392.36 51950.38 50609.92
         [,9] [,10]
[1,] 37249.62    NA
[2,] 50750.38    NA

$out
[1] 35200 56800

$group
[1] 1 1

$names
 [1] "1" "2" "3" "4" "5" "6" "7" "8" "9" NA 

Warning message:
In bxp(list(stats = c(41600, 43600, 45600, 48800, 55200, 32000,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7wrri1438352697.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,] 28622.22 29600 28800
[2,] 38444.44 38400 39000
[3,] 44666.67 44400 44600
[4,] 50800.00 49600 50400
[5,] 63200.00 64000 63600

$n
[1] 12 12 12

$conf
         [,1]    [,2]     [,3]
[1,] 39031.21 39291.6 39400.38
[2,] 50302.12 49508.4 49799.62

$out
numeric(0)

$group
numeric(0)

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

> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1f4ow1438352697.ps tmp/1f4ow1438352697.png",intern=TRUE))
character(0)
> try(system("convert tmp/2t0mf1438352697.ps tmp/2t0mf1438352697.png",intern=TRUE))
character(0)
> try(system("convert tmp/31e8z1438352697.ps tmp/31e8z1438352697.png",intern=TRUE))
character(0)
> try(system("convert tmp/4s7hb1438352697.ps tmp/4s7hb1438352697.png",intern=TRUE))
character(0)
> try(system("convert tmp/5ldjv1438352697.ps tmp/5ldjv1438352697.png",intern=TRUE))
character(0)
> try(system("convert tmp/6t9nx1438352697.ps tmp/6t9nx1438352697.png",intern=TRUE))
character(0)
> try(system("convert tmp/7wrri1438352697.ps tmp/7wrri1438352697.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.498   0.435   2.960