R version 3.2.2 (2015-08-14) -- "Fire Safety"
Copyright (C) 2015 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(102.8,103.92,103.9,103.96,103.62,103.83,104.09,104.07,103.22,104.01,104.01,104.24)
> 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] 12
> (np <- floor(n / par1))
[1] 1
> 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] 1 1 1 1 1 1 1 1 1 1 1 1
> arr
        [,1] [,2]
 [1,] 102.80   NA
 [2,] 103.92   NA
 [3,] 103.90   NA
 [4,] 103.96   NA
 [5,] 103.62   NA
 [6,] 103.83   NA
 [7,] 104.09   NA
 [8,] 104.07   NA
 [9,] 103.22   NA
[10,] 104.01   NA
[11,] 104.01   NA
[12,] 104.24   NA
> darr
       [,1] [,2]
 [1,]  1.12   NA
 [2,] -0.02   NA
 [3,]  0.06   NA
 [4,] -0.34   NA
 [5,]  0.21   NA
 [6,]  0.26   NA
 [7,] -0.02   NA
 [8,] -0.85   NA
 [9,]  0.79   NA
[10,]  0.00   NA
[11,]  0.23   NA
[12,]    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/1r4as1445021921.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/2q75o1445021921.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/3cf9l1445021921.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/4ilzp1445021921.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]
[1,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
[2,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
[3,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
[4,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
[5,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
      [,12]
[1,] 104.24
[2,] 104.24
[3,] 104.24
[4,] 104.24
[5,] 104.24

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

$conf
      [,1]   [,2]  [,3]   [,4]   [,5]   [,6]   [,7]   [,8]   [,9]  [,10]  [,11]
[1,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
[2,] 102.8 103.92 103.9 103.96 103.62 103.83 104.09 104.07 103.22 104.01 104.01
      [,12]
[1,] 104.24
[2,] 104.24

$out
numeric(0)

$group
numeric(0)

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

> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/57w2h1445021921.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,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA
[2,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA
[3,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA
[4,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA
[5,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA

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

$conf
     [,1]  [,2] [,3]  [,4] [,5] [,6]  [,7]  [,8] [,9] [,10] [,11] [,12]
[1,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA
[2,] 1.12 -0.02 0.06 -0.34 0.21 0.26 -0.02 -0.85 0.79     0  0.23    NA

$out
numeric(0)

$group
numeric(0)

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

> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6fp811445021921.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]
[1,] 103.620   NA
[2,] 103.725   NA
[3,] 103.940   NA
[4,] 104.040   NA
[5,] 104.240   NA

$n
[1] 12  0

$conf
         [,1] [,2]
[1,] 103.7963   NA
[2,] 104.0837   NA

$out
[1] 102.80 103.22

$group
[1] 1 1

$names
[1] "1" NA 

Warning message:
In bxp(list(stats = c(103.62, 103.725, 103.94, 104.04, 104.24, NA,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7swbb1445021921.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,] 103.620 103.620 103.620
[2,] 103.725 103.725 103.725
[3,] 103.940 103.940 103.940
[4,] 104.040 104.040 104.040
[5,] 104.240 104.240 104.240

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 103.7963 103.7963 103.7963
[2,] 104.0837 104.0837 104.0837

$out
[1] 102.80 103.22 102.80 103.22 102.80 103.22

$group
[1] 1 1 2 2 3 3

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

Warning message:
In bxp(list(stats = c(103.62, 103.725, 103.94, 104.04, 104.24, 103.62,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1r4as1445021921.ps tmp/1r4as1445021921.png",intern=TRUE))
character(0)
> try(system("convert tmp/2q75o1445021921.ps tmp/2q75o1445021921.png",intern=TRUE))
character(0)
> try(system("convert tmp/3cf9l1445021921.ps tmp/3cf9l1445021921.png",intern=TRUE))
character(0)
> try(system("convert tmp/4ilzp1445021921.ps tmp/4ilzp1445021921.png",intern=TRUE))
character(0)
> try(system("convert tmp/57w2h1445021921.ps tmp/57w2h1445021921.png",intern=TRUE))
character(0)
> try(system("convert tmp/6fp811445021921.ps tmp/6fp811445021921.png",intern=TRUE))
character(0)
> try(system("convert tmp/7swbb1445021921.ps tmp/7swbb1445021921.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.482   0.405   2.910