R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(1029.98,1013.08,1013.08,996.04,975.02,951.89,944.4,932.47,932.47,920.44,900.18,886.9,869.74,859.03,859.03,844.99,834.82,825.62,816.92,813.21,813.21,811.03,804.16,788.62,778.76,765.91,765.91,753.85,742.22,732.11,729.94,731.22,731.22,729.11,726.94,720.52,709.36,703.21)
> 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] 38
> (np <- floor(n / par1))
[1] 3
> 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 3 3 3 3 3 3 3 3 3 3
> arr
         [,1]   [,2]   [,3]   [,4]
 [1,] 1029.98 869.74 778.76 709.36
 [2,] 1013.08 859.03 765.91 703.21
 [3,] 1013.08 859.03 765.91     NA
 [4,]  996.04 844.99 753.85     NA
 [5,]  975.02 834.82 742.22     NA
 [6,]  951.89 825.62 732.11     NA
 [7,]  944.40 816.92 729.94     NA
 [8,]  932.47 813.21 731.22     NA
 [9,]  932.47 813.21 731.22     NA
[10,]  920.44 811.03 729.11     NA
[11,]  900.18 804.16 726.94     NA
[12,]  886.90 788.62 720.52     NA
> darr
        [,1]   [,2]   [,3]  [,4]
 [1,] -16.90 -10.71 -12.85 -6.15
 [2,]   0.00   0.00   0.00    NA
 [3,] -17.04 -14.04 -12.06    NA
 [4,] -21.02 -10.17 -11.63    NA
 [5,] -23.13  -9.20 -10.11    NA
 [6,]  -7.49  -8.70  -2.17    NA
 [7,] -11.93  -3.71   1.28    NA
 [8,]   0.00   0.00   0.00    NA
 [9,] -12.03  -2.18  -2.11    NA
[10,] -20.26  -6.87  -2.17    NA
[11,] -13.28 -15.54  -6.42    NA
[12,] -17.16  -9.86 -11.16    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/1w7sv1393867680.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/2gukf1393867680.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/3nw9b1393867680.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/4h4xs1393867680.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]
[1,]  709.36  703.210  765.910 753.850 742.22 732.110 729.94 731.220 731.220
[2,]  744.06  734.560  812.470 799.420 788.52 778.865 773.43 772.215 772.215
[3,]  824.25  812.470  859.030 844.990 834.82 825.620 816.92 813.210 813.210
[4,]  949.86  936.055  936.055 920.515 904.92 888.755 880.66 872.840 872.840
[5,] 1029.98 1013.080 1013.080 996.040 975.02 951.890 944.40 932.470 932.470
       [,10]  [,11]  [,12]
[1,] 729.110 726.94 720.52
[2,] 770.070 765.55 754.57
[3,] 811.030 804.16 788.62
[4,] 865.735 852.17 837.76
[5,] 920.440 900.18 886.90

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

$conf
        [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 661.668 653.2889 746.2941 734.5255 728.6384 725.3769 719.1034 721.4185
[2,] 986.832 971.6511 971.7659 955.4545 941.0016 925.8631 914.7366 905.0015
         [,9]    [,10]    [,11]   [,12]
[1,] 721.4185 723.7631 725.1441 712.733
[2,] 905.0015 898.2969 883.1759 864.507

$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(709.36, 744.06, 824.25, 949.86, 1029.98, 703.21,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5cjoo1393867680.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]
[1,] -16.900    0 -17.04 -21.020 -23.130 -8.700 -11.930    0 -12.030 -20.260
[2,] -14.875    0 -15.54 -16.325 -16.620 -8.095  -7.820    0  -7.105 -13.565
[3,] -11.780    0 -14.04 -11.630 -10.110 -7.490  -3.710    0  -2.180  -6.870
[4,]  -8.430    0 -13.05 -10.900  -9.655 -4.830  -1.215    0  -2.145  -4.520
[5,]  -6.150    0 -12.06 -10.170  -9.200 -2.170   1.280    0  -2.110  -2.170
      [,11]  [,12]
[1,] -15.54 -17.16
[2,] -14.41 -14.16
[3,] -13.28 -11.16
[4,]  -9.85 -10.51
[5,]  -6.42  -9.86

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

$conf
          [,1] [,2]      [,3]       [,4]       [,5]       [,6]     [,7] [,8]
[1,] -16.87155    0 -16.31141 -16.578758 -16.463567 -10.468377 -9.73517    0
[2,]  -6.68845    0 -11.76859  -6.681242  -3.756433  -4.511623  2.31517    0
          [,9]     [,10]      [,11]      [,12]
[1,] -6.704579 -15.12097 -17.439693 -14.489579
[2,]  2.344579   1.38097  -9.120307  -7.830421

$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(-16.9, -14.875, -11.78, -8.43000000000001,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/602hu1393867680.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]
[1,]  886.900 788.62 720.520 703.210
[2,]  926.455 812.12 729.525 703.210
[3,]  948.145 821.27 731.665 706.285
[4,] 1004.560 852.01 759.880 709.360
[5,] 1029.980 869.74 778.760 709.360

$n
[1] 12 12 12  2

$conf
         [,1]     [,2]     [,3]    [,4]
[1,] 912.5208 803.0759 717.8199 699.414
[2,] 983.7692 839.4641 745.5101 713.156

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(886.9, 926.455, 948.145, 1004.56, 1029.98,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7x66h1393867680.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,] 798.6800 788.620 796.1650
[2,] 822.9133 811.750 820.2150
[3,] 832.8637 815.065 825.4669
[4,] 848.8233 830.220 841.1625
[5,] 879.3400 844.990 859.9675

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 821.0460 806.6407 815.9126
[2,] 844.6815 823.4893 835.0212

$out
[1] 859.0300 874.2625

$group
[1] 2 3

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

Warning message:
In bxp(list(stats = c(798.68, 822.913333333333, 832.86375, 848.823333333333,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1w7sv1393867680.ps tmp/1w7sv1393867680.png",intern=TRUE))
character(0)
> try(system("convert tmp/2gukf1393867680.ps tmp/2gukf1393867680.png",intern=TRUE))
character(0)
> try(system("convert tmp/3nw9b1393867680.ps tmp/3nw9b1393867680.png",intern=TRUE))
character(0)
> try(system("convert tmp/4h4xs1393867680.ps tmp/4h4xs1393867680.png",intern=TRUE))
character(0)
> try(system("convert tmp/5cjoo1393867680.ps tmp/5cjoo1393867680.png",intern=TRUE))
character(0)
> try(system("convert tmp/602hu1393867680.ps tmp/602hu1393867680.png",intern=TRUE))
character(0)
> try(system("convert tmp/7x66h1393867680.ps tmp/7x66h1393867680.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  4.302   0.895   5.235