R version 3.0.3 (2014-03-06) -- "Warm Puppy"
Copyright (C) 2014 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(2.9,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3.1,3.1,3.1,3.1,3.1,3.1,3.1,3.1,3.1,3.1,3.1,3.1,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.3,3.5,3.5,3.5,3.5,3.5,3.5,3.5,3.5,3.5,3.5,3.5)
> 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,]  2.9    3  3.0  3.1  3.3  3.3  3.3   NA
 [2,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [3,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [4,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [5,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [6,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [7,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [8,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
 [9,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
[10,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
[11,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
[12,]  3.0    3  3.1  3.3  3.3  3.3  3.5   NA
> darr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
 [1,]  0.1    0  0.1  0.2    0    0  0.2   NA
 [2,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [3,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [4,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [5,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [6,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [7,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [8,]  0.0    0  0.0  0.0    0    0  0.0   NA
 [9,]  0.0    0  0.0  0.0    0    0  0.0   NA
[10,]  0.0    0  0.0  0.0    0    0  0.0   NA
[11,]  0.0    0  0.0  0.0    0    0  0.0   NA
[12,]  0.0    0  0.0  0.0    0    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/1av4a1395095516.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/2t1481395095516.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/33byi1395095516.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/4uy271395095516.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,]  2.9 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00  3.00  3.00  3.00
[2,]  3.0 3.05 3.05 3.05 3.05 3.05 3.05 3.05 3.05  3.05  3.05  3.05
[3,]  3.1 3.30 3.30 3.30 3.30 3.30 3.30 3.30 3.30  3.30  3.30  3.30
[4,]  3.3 3.30 3.30 3.30 3.30 3.30 3.30 3.30 3.30  3.30  3.30  3.30
[5,]  3.3 3.50 3.50 3.50 3.50 3.50 3.50 3.50 3.50  3.50  3.50  3.50

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 2.920845 3.150704 3.150704 3.150704 3.150704 3.150704 3.150704 3.150704
[2,] 3.279155 3.449296 3.449296 3.449296 3.449296 3.449296 3.449296 3.449296
         [,9]    [,10]    [,11]    [,12]
[1,] 3.150704 3.150704 3.150704 3.150704
[2,] 3.449296 3.449296 3.449296 3.449296

$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(2.9, 3, 3.1, 3.3, 3.3, 3, 3.05, 3.3, 3.3,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/56dzj1395095516.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,] 0.00    0    0    0    0    0    0    0    0     0     0     0
[2,] 0.00    0    0    0    0    0    0    0    0     0     0     0
[3,] 0.10    0    0    0    0    0    0    0    0     0     0     0
[4,] 0.15    0    0    0    0    0    0    0    0     0     0     0
[5,] 0.20    0    0    0    0    0    0    0    0     0     0     0

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

$conf
           [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12]
[1,] 0.01042242    0    0    0    0    0    0    0    0     0     0     0
[2,] 0.18957758    0    0    0    0    0    0    0    0     0     0     0

$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(0, 0, 0.1, 0.15, 0.2, 0, 0, 0, 0, 0, 0, 0,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/69nm21395095516.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,]    3    3  3.1  3.3  3.3  3.3  3.5   NA
[2,]    3    3  3.1  3.3  3.3  3.3  3.5   NA
[3,]    3    3  3.1  3.3  3.3  3.3  3.5   NA
[4,]    3    3  3.1  3.3  3.3  3.3  3.5   NA
[5,]    3    3  3.1  3.3  3.3  3.3  3.5   NA

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

$conf
     [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
[1,]    3    3  3.1  3.3  3.3  3.3  3.5   NA
[2,]    3    3  3.1  3.3  3.3  3.3  3.5   NA

$out
[1] 2.9 3.0 3.1 3.3

$group
[1] 1 3 4 7

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

> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7dqjf1395095516.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,] 3.214286  3.3 3.175
[2,] 3.214286  3.3 3.175
[3,] 3.214286  3.3 3.175
[4,] 3.214286  3.3 3.175
[5,] 3.214286  3.3 3.175

$n
[1] 12 12 12

$conf
         [,1] [,2]  [,3]
[1,] 3.214286  3.3 3.175
[2,] 3.214286  3.3 3.175

$out
[1] 3.128571 3.100000 3.150000

$group
[1] 1 2 3

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

> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1av4a1395095516.ps tmp/1av4a1395095516.png",intern=TRUE))
character(0)
> try(system("convert tmp/2t1481395095516.ps tmp/2t1481395095516.png",intern=TRUE))
character(0)
> try(system("convert tmp/33byi1395095516.ps tmp/33byi1395095516.png",intern=TRUE))
character(0)
> try(system("convert tmp/4uy271395095516.ps tmp/4uy271395095516.png",intern=TRUE))
character(0)
> try(system("convert tmp/56dzj1395095516.ps tmp/56dzj1395095516.png",intern=TRUE))
character(0)
> try(system("convert tmp/69nm21395095516.ps tmp/69nm21395095516.png",intern=TRUE))
character(0)
> try(system("convert tmp/7dqjf1395095516.ps tmp/7dqjf1395095516.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.649   1.325   6.993