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(15.13,15.25,15.33,15.36,15.40,15.40,15.41,15.47,15.54,15.55,15.59,15.65,15.75,15.86,15.89,15.94,15.93,15.95,15.99,15.99,16.06,16.08,16.07,16.11,16.15,16.18,16.30,16.42,16.49,16.50,16.58,16.64,16.66,16.81,16.91,16.92,16.95,17.11,17.16,17.16,17.27,17.34,17.39,17.43,17.45,17.50,17.56,17.65,17.62,17.70,17.72,17.71,17.74,17.75,17.78,17.80,17.86,17.88,17.89,17.94,17.98,18.10,18.14,18.19,18.23,18.24,18.27,18.30,18.34,18.36,18.36,18.40,18.43,18.47,18.56,18.58,18.61,18.61,18.69,18.74,18.75,18.81,18.85,18.88)
> 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] 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,] 15.13 15.75 16.15 16.95 17.62 17.98 18.43   NA
 [2,] 15.25 15.86 16.18 17.11 17.70 18.10 18.47   NA
 [3,] 15.33 15.89 16.30 17.16 17.72 18.14 18.56   NA
 [4,] 15.36 15.94 16.42 17.16 17.71 18.19 18.58   NA
 [5,] 15.40 15.93 16.49 17.27 17.74 18.23 18.61   NA
 [6,] 15.40 15.95 16.50 17.34 17.75 18.24 18.61   NA
 [7,] 15.41 15.99 16.58 17.39 17.78 18.27 18.69   NA
 [8,] 15.47 15.99 16.64 17.43 17.80 18.30 18.74   NA
 [9,] 15.54 16.06 16.66 17.45 17.86 18.34 18.75   NA
[10,] 15.55 16.08 16.81 17.50 17.88 18.36 18.81   NA
[11,] 15.59 16.07 16.91 17.56 17.89 18.36 18.85   NA
[12,] 15.65 16.11 16.92 17.65 17.94 18.40 18.88   NA
> darr
      [,1]  [,2] [,3]  [,4]  [,5] [,6] [,7] [,8]
 [1,] 0.12  0.11 0.03  0.16  0.08 0.12 0.04   NA
 [2,] 0.08  0.03 0.12  0.05  0.02 0.04 0.09   NA
 [3,] 0.03  0.05 0.12  0.00 -0.01 0.05 0.02   NA
 [4,] 0.04 -0.01 0.07  0.11  0.03 0.04 0.03   NA
 [5,] 0.00  0.02 0.01  0.07  0.01 0.01 0.00   NA
 [6,] 0.01  0.04 0.08  0.05  0.03 0.03 0.08   NA
 [7,] 0.06  0.00 0.06  0.04  0.02 0.03 0.05   NA
 [8,] 0.07  0.07 0.02  0.02  0.06 0.04 0.01   NA
 [9,] 0.01  0.02 0.15  0.05  0.02 0.02 0.06   NA
[10,] 0.04 -0.01 0.10  0.06  0.01 0.00 0.04   NA
[11,] 0.06  0.04 0.01  0.09  0.05 0.04 0.03   NA
[12,] 0.10  0.04 0.03 -0.03  0.04 0.03   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/17hvk1381944238.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/2rm2e1381944238.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/3zupf1381944238.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/45l381381944238.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,] 15.13 15.25 15.330 15.36 15.400 15.400 15.410 15.470 15.54 15.550 15.590
[2,] 15.95 16.02 16.095 16.18 16.210 16.225 16.285 16.315 16.36 16.445 16.490
[3,] 16.95 17.11 17.160 17.16 17.270 17.340 17.390 17.430 17.45 17.500 17.560
[4,] 17.80 17.90 17.930 17.95 17.985 17.995 18.025 18.050 18.10 18.120 18.125
[5,] 18.43 18.47 18.560 18.58 18.610 18.610 18.690 18.740 18.75 18.810 18.850
      [,12]
[1,] 15.650
[2,] 16.515
[3,] 17.650
[4,] 18.170
[5,] 18.880

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

$conf
         [,1]     [,2]     [,3]     [,4]  [,5]     [,6]    [,7]     [,8]
[1,] 15.84521 15.98729 16.06417 16.10298 16.21 16.28298 16.3509 16.39389
[2,] 18.05479 18.23271 18.25583 18.21702 18.33 18.39702 18.4291 18.46611
        [,9]    [,10]   [,11]    [,12]
[1,] 16.4109 16.49972 16.5836 16.66166
[2,] 18.4891 18.50028 18.5364 18.63834

$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(15.13, 15.95, 16.95, 17.8, 18.43, 15.25, 16.02,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5nyjl1381944238.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,] 0.03 0.020 -0.01 0.030 0.000 0.010 0.000 0.010 0.010 -0.010 0.010 0.030
[2,] 0.06 0.035  0.01 0.030 0.005 0.030 0.025 0.020 0.020  0.005 0.035 0.030
[3,] 0.11 0.050  0.03 0.040 0.010 0.040 0.040 0.040 0.020  0.040 0.040 0.035
[4,] 0.12 0.085  0.05 0.055 0.015 0.065 0.055 0.065 0.055  0.050 0.055 0.040
[5,] 0.16 0.120  0.05 0.070 0.020 0.080 0.060 0.070 0.060  0.100 0.060 0.040

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

$conf
           [,1]       [,2]        [,3]      [,4]        [,5]       [,6]
[1,] 0.07416897 0.02014081 0.006112645 0.0250704 0.004028161 0.01909856
[2,] 0.14583103 0.07985919 0.053887355 0.0549296 0.015971839 0.06090144
           [,7]       [,8]          [,9]      [,10]      [,11]      [,12]
[1,] 0.02208448 0.01312673 -0.0009014354 0.01312673 0.02805632 0.02854968
[2,] 0.05791552 0.06687327  0.0409014354 0.06687327 0.05194368 0.04145032

$out
[1]  0.12 -0.01  0.11  0.07  0.15  0.09  0.10 -0.03

$group
[1]  3  4  4  5  9 11 12 12

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

Warning message:
In bxp(list(stats = c(0.0300000000000011, 0.0599999999999987, 0.109999999999999,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6hkkv1381944238.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,] 15.130 15.750 16.150 16.950 17.620 17.980 18.43   NA
[2,] 15.345 15.910 16.360 17.160 17.715 18.165 18.57   NA
[3,] 15.405 15.970 16.540 17.365 17.765 18.255 18.65   NA
[4,] 15.545 16.065 16.735 17.475 17.870 18.350 18.78   NA
[5,] 15.650 16.110 16.920 17.650 17.940 18.400 18.88   NA

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

$conf
         [,1]    [,2]     [,3]     [,4]    [,5]     [,6]     [,7] [,8]
[1,] 15.31378 15.8993 16.36896 17.22133 17.6943 18.17062 18.55422   NA
[2,] 15.49622 16.0407 16.71104 17.50867 17.8357 18.33938 18.74578   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(15.13, 15.345, 15.405, 15.545, 15.65, 15.75,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7s0hb1381944238.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,] 16.85857 16.950 16.87500
[2,] 17.03286 17.160 17.03875
[3,] 17.13571 17.365 17.13250
[4,] 17.26071 17.475 17.25625
[5,] 17.36429 17.650 17.34250

$n
[1] 12 12 12

$conf
         [,1]     [,2]    [,3]
[1,] 17.03179 17.22133 17.0333
[2,] 17.23964 17.50867 17.2317

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(16.8585714285714, 17.0328571428571, 17.1357142857143,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/17hvk1381944238.ps tmp/17hvk1381944238.png",intern=TRUE))
character(0)
> try(system("convert tmp/2rm2e1381944238.ps tmp/2rm2e1381944238.png",intern=TRUE))
character(0)
> try(system("convert tmp/3zupf1381944238.ps tmp/3zupf1381944238.png",intern=TRUE))
character(0)
> try(system("convert tmp/45l381381944238.ps tmp/45l381381944238.png",intern=TRUE))
character(0)
> try(system("convert tmp/5nyjl1381944238.ps tmp/5nyjl1381944238.png",intern=TRUE))
character(0)
> try(system("convert tmp/6hkkv1381944238.ps tmp/6hkkv1381944238.png",intern=TRUE))
character(0)
> try(system("convert tmp/7s0hb1381944238.ps tmp/7s0hb1381944238.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.510   0.749   4.248