R version 2.15.2 (2012-10-26) -- "Trick or Treat"
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(7.72,7.67,7.84,7.79,7.83,7.94,8.02,8.06,8.12,8.13,7.97,8.01,8,7.9,7.99,8.02,8.08,8.02,8.07,8.11,8.19,8.16,8.08,8.22,8.15,8.19,8.31,8.3,8.34,8.31,8.38,8.34,8.44,8.64,8.6,8.61,8.54,8.69,8.73,8.91,9.01,9.08,8.94,9.03,9.02,8.96,9.03,8.94,8.95,8.95,8.99,8.93,8.98,8.95,9.02,8.92,9.1,9.06,8.97,8.89,8.99,8.79,8.83,8.61,8.71,8.91,8.91,8.89,8.98,9,8.99,8.88)
> 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,] 7.72 8.00 8.15 8.54 8.95 8.99   NA
 [2,] 7.67 7.90 8.19 8.69 8.95 8.79   NA
 [3,] 7.84 7.99 8.31 8.73 8.99 8.83   NA
 [4,] 7.79 8.02 8.30 8.91 8.93 8.61   NA
 [5,] 7.83 8.08 8.34 9.01 8.98 8.71   NA
 [6,] 7.94 8.02 8.31 9.08 8.95 8.91   NA
 [7,] 8.02 8.07 8.38 8.94 9.02 8.91   NA
 [8,] 8.06 8.11 8.34 9.03 8.92 8.89   NA
 [9,] 8.12 8.19 8.44 9.02 9.10 8.98   NA
[10,] 8.13 8.16 8.64 8.96 9.06 9.00   NA
[11,] 7.97 8.08 8.60 9.03 8.97 8.99   NA
[12,] 8.01 8.22 8.61 8.94 8.89 8.88   NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6] [,7]
 [1,] -0.05 -0.10  0.04  0.15  0.00 -0.20   NA
 [2,]  0.17  0.09  0.12  0.04  0.04  0.04   NA
 [3,] -0.05  0.03 -0.01  0.18 -0.06 -0.22   NA
 [4,]  0.04  0.06  0.04  0.10  0.05  0.10   NA
 [5,]  0.11 -0.06 -0.03  0.07 -0.03  0.20   NA
 [6,]  0.08  0.05  0.07 -0.14  0.07  0.00   NA
 [7,]  0.04  0.04 -0.04  0.09 -0.10 -0.02   NA
 [8,]  0.06  0.08  0.10 -0.01  0.18  0.09   NA
 [9,]  0.01 -0.03  0.20 -0.06 -0.04  0.02   NA
[10,] -0.16 -0.08 -0.04  0.07 -0.09 -0.01   NA
[11,]  0.04  0.14  0.01 -0.09 -0.08 -0.11   NA
[12,] -0.01 -0.07 -0.07  0.01  0.10    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/1ybd11362672930.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/2tgro1362672930.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/389621362672930.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/4yper1362672930.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,] 7.720 7.67 7.84 7.790 7.830 7.94 8.020 8.060 8.12  8.13 7.970 8.010
[2,] 8.000 7.90 7.99 8.020 8.080 8.02 8.070 8.110 8.19  8.16 8.080 8.220
[3,] 8.345 8.44 8.52 8.455 8.525 8.61 8.645 8.615 8.71  8.80 8.785 8.745
[4,] 8.950 8.79 8.83 8.910 8.980 8.95 8.940 8.920 9.02  9.00 8.990 8.890
[5,] 8.990 8.95 8.99 8.930 9.010 9.08 9.020 9.030 9.10  9.06 9.030 8.940

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]    [,6]     [,7]     [,8]
[1,] 7.732219 7.865921 7.978173 7.880921 7.944471 8.01012 8.083822 8.092524
[2,] 8.957781 9.014079 9.061827 9.029079 9.105529 9.20988 9.206178 9.137476
         [,9]    [,10]    [,11]    [,12]
[1,] 8.174623 8.258173 8.198021 8.312828
[2,] 9.245377 9.341827 9.371979 9.177172

$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(7.72, 8, 8.345, 8.95, 8.99, 7.67, 7.9, 8.44,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5q47x1362672930.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,] -0.200 0.040 -0.06 0.040 -0.06 0.00 -0.10 0.060 -0.06 -0.16 -0.110 -0.07
[2,] -0.100 0.040 -0.06 0.040 -0.03 0.00 -0.04 0.060 -0.04 -0.09 -0.090 -0.07
[3,] -0.025 0.065 -0.03 0.055  0.02 0.06  0.01 0.085 -0.01 -0.06 -0.035 -0.01
[4,]  0.040 0.120  0.03 0.100  0.11 0.07  0.04 0.100  0.02 -0.01  0.040  0.01
[5,]  0.150 0.170  0.03 0.100  0.20 0.08  0.09 0.100  0.02  0.07  0.140  0.10

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

$conf
            [,1]       [,2]        [,3]       [,4]        [,5]       [,6]
[1,] -0.11530452 0.01339742 -0.08805291 0.01629806 -0.07030452 0.01484774
[2,]  0.06530452 0.11660258  0.02805291 0.09370194  0.11030452 0.10515226
            [,7]       [,8]        [,9]        [,10]      [,11]      [,12]
[1,] -0.04160258 0.05919871 -0.04870194 -0.111602584 -0.1188542 -0.0665278
[2,]  0.06160258 0.11080129  0.02870194 -0.008397416  0.0488542  0.0465278

$out
[1]  0.18 -0.22 -0.14 -0.01  0.18  0.20

$group
[1] 3 3 6 8 8 9

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

Warning message:
In bxp(list(stats = c(-0.200000000000001, -0.0999999999999996, -0.0249999999999999,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/67v1g1362672930.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,] 7.670 7.900 8.150 8.540 8.890 8.610   NA
[2,] 7.810 8.010 8.305 8.820 8.940 8.810   NA
[3,] 7.955 8.075 8.340 8.950 8.960 8.900   NA
[4,] 8.040 8.135 8.520 9.025 9.005 8.985   NA
[5,] 8.130 8.220 8.640 9.080 9.100 9.000   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6] [,7]
[1,] 7.850095 8.017987 8.241937 8.856498 8.930353 8.820181   NA
[2,] 8.059905 8.132013 8.438063 9.043502 8.989647 8.979819   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7.67, 7.81, 7.955, 8.04, 8.13, 7.9, 8.01,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7lsl21362672931.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,] 8.365000 8.3450 8.368750
[2,] 8.437500 8.4875 8.452500
[3,] 8.545833 8.6125 8.534375
[4,] 8.599167 8.7275 8.600000
[5,] 8.658333 8.8000 8.635000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 8.472096 8.503034 8.467099
[2,] 8.619571 8.721966 8.601651

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(8.365, 8.4375, 8.54583333333333, 8.59916666666667,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1ybd11362672930.ps tmp/1ybd11362672930.png",intern=TRUE))
character(0)
> try(system("convert tmp/2tgro1362672930.ps tmp/2tgro1362672930.png",intern=TRUE))
character(0)
> try(system("convert tmp/389621362672930.ps tmp/389621362672930.png",intern=TRUE))
character(0)
> try(system("convert tmp/4yper1362672930.ps tmp/4yper1362672930.png",intern=TRUE))
character(0)
> try(system("convert tmp/5q47x1362672930.ps tmp/5q47x1362672930.png",intern=TRUE))
character(0)
> try(system("convert tmp/67v1g1362672930.ps tmp/67v1g1362672930.png",intern=TRUE))
character(0)
> try(system("convert tmp/7lsl21362672931.ps tmp/7lsl21362672931.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.461   0.628   4.078