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(16.3,16.37,16.38,16.37,16.42,16.43,16.44,16.53,16.55,16.56,16.6,16.61,16.62,16.64,16.61,16.74,16.87,16.89,16.89,16.99,17.06,17.1,17.11,17.17,17.17,17.21,17.37,17.43,17.44,17.46,17.42,17.47,17.45,17.44,17.46,17.47,17.47,17.56,17.61,17.61,17.6,17.57,17.59,17.59,17.68,17.73,17.75,17.75,17.75,17.85,18.06,18.05,18.16,18.2,18.21,18.33,18.36,18.37,18.4,18.47,18.49,18.5,18.53,18.56,18.6,18.61,18.62,18.61,18.65,18.77,18.78,18.78,18.8,18.85,18.85,18.98,19.06,19.08,19.19,19.21,19.29,19.3,19.36,19.36)
> 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,] 16.30 16.62 17.17 17.47 17.75 18.49 18.80   NA
 [2,] 16.37 16.64 17.21 17.56 17.85 18.50 18.85   NA
 [3,] 16.38 16.61 17.37 17.61 18.06 18.53 18.85   NA
 [4,] 16.37 16.74 17.43 17.61 18.05 18.56 18.98   NA
 [5,] 16.42 16.87 17.44 17.60 18.16 18.60 19.06   NA
 [6,] 16.43 16.89 17.46 17.57 18.20 18.61 19.08   NA
 [7,] 16.44 16.89 17.42 17.59 18.21 18.62 19.19   NA
 [8,] 16.53 16.99 17.47 17.59 18.33 18.61 19.21   NA
 [9,] 16.55 17.06 17.45 17.68 18.36 18.65 19.29   NA
[10,] 16.56 17.10 17.44 17.73 18.37 18.77 19.30   NA
[11,] 16.60 17.11 17.46 17.75 18.40 18.78 19.36   NA
[12,] 16.61 17.17 17.47 17.75 18.47 18.78 19.36   NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6] [,7] [,8]
 [1,]  0.07  0.02  0.04  0.09  0.10  0.01 0.05   NA
 [2,]  0.01 -0.03  0.16  0.05  0.21  0.03 0.00   NA
 [3,] -0.01  0.13  0.06  0.00 -0.01  0.03 0.13   NA
 [4,]  0.05  0.13  0.01 -0.01  0.11  0.04 0.08   NA
 [5,]  0.01  0.02  0.02 -0.03  0.04  0.01 0.02   NA
 [6,]  0.01  0.00 -0.04  0.02  0.01  0.01 0.11   NA
 [7,]  0.09  0.10  0.05  0.00  0.12 -0.01 0.02   NA
 [8,]  0.02  0.07 -0.02  0.09  0.03  0.04 0.08   NA
 [9,]  0.01  0.04 -0.01  0.05  0.01  0.12 0.01   NA
[10,]  0.04  0.01  0.02  0.02  0.03  0.01 0.06   NA
[11,]  0.01  0.06  0.01  0.00  0.07  0.00 0.00   NA
[12,]  0.01  0.00  0.00  0.00  0.02  0.02   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/18vv31381919130.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/2gm1n1381919130.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/3v9oj1381919130.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/4t5m41381919130.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,] 16.300 16.370 16.380 16.370 16.420 16.430 16.440 16.53 16.550 16.56 16.600
[2,] 16.895 16.925 16.990 17.085 17.155 17.175 17.155 17.23 17.255 17.27 17.285
[3,] 17.470 17.560 17.610 17.610 17.600 17.570 17.590 17.59 17.680 17.73 17.750
[4,] 18.120 18.175 18.295 18.305 18.380 18.405 18.415 18.47 18.505 18.57 18.590
[5,] 18.800 18.850 18.850 18.980 19.060 19.080 19.190 19.21 19.290 19.30 19.360
      [,12]
[1,] 16.610
[2,] 17.320
[3,] 17.750
[4,] 18.625
[5,] 19.360

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 16.73845 16.81352 16.83068 16.88144 16.86845 16.83546 16.83755 16.84949
[2,] 18.20155 18.30648 18.38932 18.33856 18.33155 18.30454 18.34245 18.33051
         [,9]    [,10]    [,11]    [,12]
[1,] 16.93352 16.95366 16.97068 16.97068
[2,] 18.42648 18.50634 18.52932 18.52932

$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(16.3, 16.895, 17.47, 18.12, 18.8, 16.37, 16.925,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5k7ax1381919130.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]
[1,] 0.01 -0.030 -0.010 -0.010 0.01 0.000 -0.010 -0.020 -0.010 0.010 0.000
[2,] 0.03  0.005 -0.005  0.025 0.01 0.005  0.010  0.025  0.010 0.015 0.000
[3,] 0.05  0.030  0.030  0.050 0.02 0.010  0.050  0.040  0.010 0.020 0.010
[4,] 0.08  0.105  0.095  0.095 0.02 0.015  0.095  0.075  0.045 0.035 0.035
[5,] 0.10  0.210  0.130  0.130 0.02 0.020  0.120  0.090  0.050 0.060 0.070
     [,12]
[1,] 0.000
[2,] 0.000
[3,] 0.005
[4,] 0.020
[5,] 0.020

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

$conf
           [,1]        [,2]        [,3]        [,4]       [,5]        [,6]
[1,] 0.02014081 -0.02971839 -0.02971839 0.008197129 0.01402816 0.004028161
[2,] 0.07985919  0.08971839  0.08971839 0.091802871 0.02597184 0.015971839
              [,7]       [,8]        [,9]       [,10]       [,11]        [,12]
[1,] -0.0007606287 0.01014081 -0.01090144 0.008056323 -0.01090144 -0.007900646
[2,]  0.1007606287 0.06985919  0.03090144 0.031943677  0.03090144  0.017900646

$out
[1] -0.03  0.04 -0.04  0.11  0.12

$group
[1] 5 5 6 6 9

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

Warning message:
In bxp(list(stats = c(0.0100000000000016, 0.0299999999999994, 0.0500000000000007,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6jo6u1381919130.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,] 16.300 16.61 17.370 17.470 17.750 18.490 18.800   NA
[2,] 16.375 16.69 17.395 17.580 18.055 18.545 18.915   NA
[3,] 16.435 16.89 17.440 17.605 18.205 18.610 19.135   NA
[4,] 16.555 17.08 17.460 17.705 18.365 18.710 19.295   NA
[5,] 16.610 17.17 17.470 17.750 18.470 18.780 19.360   NA

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

$conf
        [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7] [,8]
[1,] 16.3529 16.71212 17.41035 17.54799 18.06361 18.53474 18.96168   NA
[2,] 16.5171 17.06788 17.46965 17.66201 18.34639 18.68526 19.30832   NA

$out
[1] 17.17 17.21

$group
[1] 3 3

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

Warning message:
In bxp(list(stats = c(16.3, 16.375, 16.435, 16.555, 16.61, 16.61,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7sz721381919130.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,] 17.51429 17.470 17.50750
[2,] 17.65357 17.580 17.66875
[3,] 17.75714 17.605 17.78750
[4,] 17.87929 17.705 17.90000
[5,] 17.94429 17.750 17.97250

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 17.65419 17.54799 17.68203
[2,] 17.86009 17.66201 17.89297

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(17.5142857142857, 17.6535714285714, 17.7571428571429,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/18vv31381919130.ps tmp/18vv31381919130.png",intern=TRUE))
character(0)
> try(system("convert tmp/2gm1n1381919130.ps tmp/2gm1n1381919130.png",intern=TRUE))
character(0)
> try(system("convert tmp/3v9oj1381919130.ps tmp/3v9oj1381919130.png",intern=TRUE))
character(0)
> try(system("convert tmp/4t5m41381919130.ps tmp/4t5m41381919130.png",intern=TRUE))
character(0)
> try(system("convert tmp/5k7ax1381919130.ps tmp/5k7ax1381919130.png",intern=TRUE))
character(0)
> try(system("convert tmp/6jo6u1381919130.ps tmp/6jo6u1381919130.png",intern=TRUE))
character(0)
> try(system("convert tmp/7sz721381919130.ps tmp/7sz721381919130.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  5.235   1.144   6.364