R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> x <- c(11,13,15,29,31,22,36,39,30,20,18,13,11,16,20,29,31,24,40,41,25,19,19,18,10,17,25,30,32,24,38,36,26,25,26,16,12,15,21,33,32,24,41,38,28,24,30,18)
> par1 = '12'
> par1 <- '12'
> #'GNU S' R Code compiled by R2WASP v. 1.2.327 (Mon, 30 Nov 2015 07:01:18 +0000)
> #Author: root
> #To cite this work: Wessa P., (2015), Mean Plot (v1.0.5) 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)
> x <- na.omit(x)
> (n <- length(x))
[1] 48
> (np <- floor(n / par1))
[1] 4
> 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] 4 4 4 4 4 4 4 4 4 4 4 4
> arr
      [,1] [,2] [,3] [,4] [,5]
 [1,]   11   11   10   12   NA
 [2,]   13   16   17   15   NA
 [3,]   15   20   25   21   NA
 [4,]   29   29   30   33   NA
 [5,]   31   31   32   32   NA
 [6,]   22   24   24   24   NA
 [7,]   36   40   38   41   NA
 [8,]   39   41   36   38   NA
 [9,]   30   25   26   28   NA
[10,]   20   19   25   24   NA
[11,]   18   19   26   30   NA
[12,]   13   18   16   18   NA
> darr
      [,1] [,2] [,3] [,4] [,5]
 [1,]    2    5    7    3   NA
 [2,]    2    4    8    6   NA
 [3,]   14    9    5   12   NA
 [4,]    2    2    2   -1   NA
 [5,]   -9   -7   -8   -8   NA
 [6,]   14   16   14   17   NA
 [7,]    3    1   -2   -3   NA
 [8,]   -9  -16  -10  -10   NA
 [9,]  -10   -6   -1   -4   NA
[10,]   -2    0    1    6   NA
[11,]   -5   -1  -10  -12   NA
[12,]   -2   -8   -4   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/1fkxb1476789999.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/2ei5d1476789999.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/35jv41476789999.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/4gm9a1476789999.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,] 10.0 13.0 15.0 29.0 31.0   22 36.0 36.0 25.0  19.0  18.0  13.0
[2,] 10.5 14.0 17.5 29.0 31.0   23 37.0 37.0 25.5  19.5  18.5  14.5
[3,] 11.0 15.5 20.5 29.5 31.5   24 39.0 38.5 27.0  22.0  22.5  17.0
[4,] 11.5 16.5 23.0 31.5 32.0   24 40.5 40.0 29.0  24.5  28.0  18.0
[5,] 12.0 17.0 25.0 33.0 32.0   24 41.0 41.0 30.0  25.0  30.0  18.0

$n
 [1] 4 4 4 4 4 4 4 4 4 4 4 4

$conf
      [,1]   [,2]   [,3]   [,4]  [,5]  [,6]   [,7]  [,8]   [,9] [,10]  [,11]
[1,] 10.21 13.525 16.155 27.525 30.71 23.21 36.235 36.13 24.235 18.05 14.995
[2,] 11.79 17.475 24.845 31.475 32.29 24.79 41.765 40.87 29.765 25.95 30.005
      [,12]
[1,] 14.235
[2,] 19.765

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(10, 10.5, 11, 11.5, 12, 13, 14, 15.5, 16.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5fmzx1476789999.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,]  2.0    2  5.0 -1.0 -9.0 14.0 -3.0 -16.0 -10.0  -2.0 -12.0    -8
[2,]  2.5    3  7.0  0.5 -8.5 14.0 -2.5 -13.0  -8.0  -1.0 -11.0    -6
[3,]  4.0    5 10.5  2.0 -8.0 15.0 -0.5 -10.0  -5.0   0.5  -7.5    -4
[4,]  6.0    7 13.0  2.0 -7.5 16.5  2.0  -9.5  -2.5   3.5  -3.0    -3
[5,]  7.0    8 14.0  2.0 -7.0 17.0  3.0  -9.0  -1.0   6.0  -1.0    -2

$n
 [1] 4 4 4 4 4 4 4 4 4 4 4 3

$conf
      [,1] [,2]  [,3]  [,4]  [,5]   [,6]   [,7]    [,8]   [,9]  [,10]  [,11]
[1,] 1.235 1.84  5.76 0.815 -8.79 13.025 -4.055 -12.765 -9.345 -3.055 -13.82
[2,] 6.765 8.16 15.24 3.185 -7.21 16.975  3.055  -7.235 -0.655  4.055  -1.18
        [,12]
[1,] -6.73664
[2,] -1.26336

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(2, 2.5, 4, 6, 7, 2, 3, 5, 7, 8, 5, 7, 10.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/64wdf1476789999.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]
[1,] 11.0 11.0 10.0 12.0   NA
[2,] 14.0 18.5 20.5 19.5   NA
[3,] 21.0 22.0 25.5 26.0   NA
[4,] 30.5 30.0 31.0 32.5   NA
[5,] 39.0 41.0 38.0 41.0   NA

$n
[1] 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4] [,5]
[1,] 13.47424 16.75477 20.71088 20.07061   NA
[2,] 28.52576 27.24523 30.28912 31.92939   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(11, 14, 21, 30.5, 39, 11, 18.5, 22, 30, 41,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/71d0a1476789999.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,] 11.000 11.00 11.0000
[2,] 18.250 18.75 18.5000
[3,] 23.375 23.25 23.3125
[4,] 30.875 30.50 30.6875
[5,] 38.750 39.00 38.8750

$n
[1] 12 12 12

$conf
         [,1]     [,2]    [,3]
[1,] 17.61665 17.89075 17.7537
[2,] 29.13335 28.60925 28.8713

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(11, 18.25, 23.375, 30.875, 38.75, 11, 18.75,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1fkxb1476789999.ps tmp/1fkxb1476789999.png",intern=TRUE))
character(0)
> try(system("convert tmp/2ei5d1476789999.ps tmp/2ei5d1476789999.png",intern=TRUE))
character(0)
> try(system("convert tmp/35jv41476789999.ps tmp/35jv41476789999.png",intern=TRUE))
character(0)
> try(system("convert tmp/4gm9a1476789999.ps tmp/4gm9a1476789999.png",intern=TRUE))
character(0)
> try(system("convert tmp/5fmzx1476789999.ps tmp/5fmzx1476789999.png",intern=TRUE))
character(0)
> try(system("convert tmp/64wdf1476789999.ps tmp/64wdf1476789999.png",intern=TRUE))
character(0)
> try(system("convert tmp/71d0a1476789999.ps tmp/71d0a1476789999.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.405   0.212   2.664