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(6.81,6.8,6.8,6.85,6.85,6.85,6.85,6.85,6.85,6.86,6.86,6.88,6.88,6.88,6.91,6.91,6.91,6.91,6.99,6.99,6.99,7.02,7.02,7.05,7.05,7.05,7.05,7.1,7.1,7.1,7.1,7.12,7.13,7.18,7.24,7.24,7.24,7.27,7.27,7.27,7.27,7.3,7.3,7.57,7.76,7.94,7.94,7.96,7.96,7.98,7.99,8,8,8.04,8.04,8.04,8.04,8.04,8.07,8.07,8.07,8.07,8.11,8.11,8.12,8.11,8.13,8.15,8.16,8.2,8.2,8.2)
> 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] 72
> (np <- floor(n / par1))
[1] 6
> 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] 6 6 6 6 6 6 6 6 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,] 6.81 6.88 7.05 7.24 7.96 8.07   NA
 [2,] 6.80 6.88 7.05 7.27 7.98 8.07   NA
 [3,] 6.80 6.91 7.05 7.27 7.99 8.11   NA
 [4,] 6.85 6.91 7.10 7.27 8.00 8.11   NA
 [5,] 6.85 6.91 7.10 7.27 8.00 8.12   NA
 [6,] 6.85 6.91 7.10 7.30 8.04 8.11   NA
 [7,] 6.85 6.99 7.10 7.30 8.04 8.13   NA
 [8,] 6.85 6.99 7.12 7.57 8.04 8.15   NA
 [9,] 6.85 6.99 7.13 7.76 8.04 8.16   NA
[10,] 6.86 7.02 7.18 7.94 8.04 8.20   NA
[11,] 6.86 7.02 7.24 7.94 8.07 8.20   NA
[12,] 6.88 7.05 7.24 7.96 8.07 8.20   NA
> darr
       [,1] [,2] [,3] [,4] [,5]  [,6] [,7]
 [1,] -0.01 0.00 0.00 0.03 0.02  0.00   NA
 [2,]  0.00 0.03 0.00 0.00 0.01  0.04   NA
 [3,]  0.05 0.00 0.05 0.00 0.01  0.00   NA
 [4,]  0.00 0.00 0.00 0.00 0.00  0.01   NA
 [5,]  0.00 0.00 0.00 0.03 0.04 -0.01   NA
 [6,]  0.00 0.08 0.00 0.00 0.00  0.02   NA
 [7,]  0.00 0.00 0.02 0.27 0.00  0.02   NA
 [8,]  0.00 0.00 0.01 0.19 0.00  0.01   NA
 [9,]  0.01 0.03 0.05 0.18 0.00  0.04   NA
[10,]  0.00 0.00 0.06 0.00 0.03  0.00   NA
[11,]  0.02 0.03 0.00 0.02 0.00  0.00   NA
[12,]  0.00 0.00 0.00 0.00 0.00    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/1vvnp1350584564.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/26wan1350584564.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/3rasj1350584564.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/4sq8h1350584564.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,] 6.810 6.80 6.80 6.850 6.850 6.85 6.85 6.850 6.850  6.86  6.86  6.88
[2,] 6.880 6.88 6.91 6.910 6.910 6.91 6.99 6.990 6.990  7.02  7.02  7.05
[3,] 7.145 7.16 7.16 7.185 7.185 7.20 7.20 7.345 7.445  7.56  7.59  7.60
[4,] 7.960 7.98 7.99 8.000 8.000 8.04 8.04 8.040 8.040  8.04  8.07  8.07
[5,] 8.070 8.07 8.11 8.110 8.120 8.11 8.13 8.150 8.160  8.20  8.20  8.20

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6.448365 6.450464 6.463365 6.481915 6.481915 6.471114 6.522716 6.667716
[2,] 7.841635 7.869536 7.856635 7.888085 7.888085 7.928886 7.877284 8.022284
         [,9]    [,10]    [,11]    [,12]
[1,] 6.767716 6.902067 6.912716 6.942067
[2,] 8.122284 8.217933 8.267284 8.257933

$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(6.81, 6.88, 7.145, 7.96, 8.07, 6.8, 6.88,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5jr3a1350584564.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,] -0.01 0.000 0.000    0 -0.01 0.00 0.00 0.000 0.000  0.00  0.00     0
[2,]  0.00 0.000 0.000    0  0.00 0.00 0.00 0.000 0.010  0.00  0.00     0
[3,]  0.00 0.005 0.005    0  0.00 0.00 0.01 0.005 0.035  0.00  0.01     0
[4,]  0.02 0.030 0.050    0  0.03 0.02 0.02 0.010 0.050  0.03  0.02     0
[5,]  0.03 0.040 0.050    0  0.04 0.02 0.02 0.010 0.050  0.06  0.03     0

$n
 [1] 6 6 6 6 6 6 6 6 6 6 6 5

$conf
            [,1]        [,2]        [,3] [,4]        [,5]        [,6]
[1,] -0.01290065 -0.01435097 -0.02725161    0 -0.01935097 -0.01290065
[2,]  0.01290065  0.02435097  0.03725161    0  0.01935097  0.01290065
             [,7]         [,8]        [,9]       [,10]        [,11] [,12]
[1,] -0.002900646 -0.001450323 0.009198708 -0.01935097 -0.002900646     0
[2,]  0.022900646  0.011450323 0.060801292  0.01935097  0.022900646     0

$out
[1] 0.01 0.08 0.27 0.19 0.18

$group
[1] 4 6 7 8 9

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

Warning message:
In bxp(list(stats = c(-0.00999999999999979, 0, 0, 0.0200000000000005,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6vs9x1350584564.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]
[1,] 6.800 6.880 7.050 7.24 7.960 8.070   NA
[2,] 6.830 6.910 7.075 7.27 7.995 8.110   NA
[3,] 6.850 6.950 7.100 7.30 8.040 8.125   NA
[4,] 6.855 7.005 7.155 7.85 8.040 8.180   NA
[5,] 6.880 7.050 7.240 7.96 8.070 8.200   NA

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

$conf
         [,1]    [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 6.838597 6.90667 7.063511 7.035458 8.019475 8.093073   NA
[2,] 6.861403 6.99333 7.136489 7.564542 8.060525 8.156927   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(6.8, 6.83, 6.85, 6.855, 6.88, 6.88, 6.91,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7cmdo1350584564.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,] 7.335000 7.1450 7.35125
[2,] 7.364167 7.1725 7.38250
[3,] 7.393333 7.2000 7.42125
[4,] 7.514167 7.5025 7.51750
[5,] 7.566667 7.6000 7.57000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 7.324917 7.049485 7.359676
[2,] 7.461749 7.350515 7.482824

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7.335, 7.36416666666667, 7.39333333333333,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1vvnp1350584564.ps tmp/1vvnp1350584564.png",intern=TRUE))
character(0)
> try(system("convert tmp/26wan1350584564.ps tmp/26wan1350584564.png",intern=TRUE))
character(0)
> try(system("convert tmp/3rasj1350584564.ps tmp/3rasj1350584564.png",intern=TRUE))
character(0)
> try(system("convert tmp/4sq8h1350584564.ps tmp/4sq8h1350584564.png",intern=TRUE))
character(0)
> try(system("convert tmp/5jr3a1350584564.ps tmp/5jr3a1350584564.png",intern=TRUE))
character(0)
> try(system("convert tmp/6vs9x1350584564.ps tmp/6vs9x1350584564.png",intern=TRUE))
character(0)
> try(system("convert tmp/7cmdo1350584564.ps tmp/7cmdo1350584564.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.643   0.660   4.292