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(38.95,38.96,38.93,38.86,38.75,38.87,38.87,38.86,38.83,39.08,39.05,38.97,38.97,38.95,38.95,38.92,38.96,38.97,38.97,38.95,38.93,38.76,38.81,38.81,38.81,38.78,38.77,38.61,38.69,38.69,38.68,38.74,38.73,38.62,38.57,38.57,38.57,38.57,38.56,38.55,38.42,38.47,38.47,38.48,38.45,38.43,38.43,38.48,38.48,38.48,38.51,38.48,38.55,38.55,38.55,38.49,38.37,38.14,38.08,38.04,38.04,38.03,37.98,38.03,38.05,38.05,38.05,38.05,38.02,38.06,38.01,38,38,38,37.99,37.96,37.96,38.02,38.02,38.02,38,37.93,38,38,38,38,38,38.01,37.98,38,38,38,37.95,37.87,37.75,37.75)
> 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] 96
> (np <- floor(n / par1))
[1] 8
> 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] 8 8 8 8 8 8 8 8 8 8 8 8
> arr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7]  [,8] [,9]
 [1,] 38.95 38.97 38.81 38.57 38.48 38.04 38.00 38.00   NA
 [2,] 38.96 38.95 38.78 38.57 38.48 38.03 38.00 38.00   NA
 [3,] 38.93 38.95 38.77 38.56 38.51 37.98 37.99 38.00   NA
 [4,] 38.86 38.92 38.61 38.55 38.48 38.03 37.96 38.01   NA
 [5,] 38.75 38.96 38.69 38.42 38.55 38.05 37.96 37.98   NA
 [6,] 38.87 38.97 38.69 38.47 38.55 38.05 38.02 38.00   NA
 [7,] 38.87 38.97 38.68 38.47 38.55 38.05 38.02 38.00   NA
 [8,] 38.86 38.95 38.74 38.48 38.49 38.05 38.02 38.00   NA
 [9,] 38.83 38.93 38.73 38.45 38.37 38.02 38.00 37.95   NA
[10,] 39.08 38.76 38.62 38.43 38.14 38.06 37.93 37.87   NA
[11,] 39.05 38.81 38.57 38.43 38.08 38.01 38.00 37.75   NA
[12,] 38.97 38.81 38.57 38.48 38.04 38.00 38.00 37.75   NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7]  [,8] [,9]
 [1,]  0.01 -0.02 -0.03  0.00  0.00 -0.01  0.00  0.00   NA
 [2,] -0.03  0.00 -0.01 -0.01  0.03 -0.05 -0.01  0.00   NA
 [3,] -0.07 -0.03 -0.16 -0.01 -0.03  0.05 -0.03  0.01   NA
 [4,] -0.11  0.04  0.08 -0.13  0.07  0.02  0.00 -0.03   NA
 [5,]  0.12  0.01  0.00  0.05  0.00  0.00  0.06  0.02   NA
 [6,]  0.00  0.00 -0.01  0.00  0.00  0.00  0.00  0.00   NA
 [7,] -0.01 -0.02  0.06  0.01 -0.06  0.00  0.00  0.00   NA
 [8,] -0.03 -0.02 -0.01 -0.03 -0.12 -0.03 -0.02 -0.05   NA
 [9,]  0.25 -0.17 -0.11 -0.02 -0.23  0.04 -0.07 -0.08   NA
[10,] -0.03  0.05 -0.05  0.00 -0.06 -0.05  0.07 -0.12   NA
[11,] -0.08  0.00  0.00  0.05 -0.04 -0.01  0.00  0.00   NA
[12,]  0.00  0.00  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/1gd751381918486.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/2pokk1381918486.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/3mocr1381918486.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/45xxn1381918486.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]
[1,] 38.000 38.000 37.980 37.960 37.960 38.000 38.000 38.000 37.95 37.870
[2,] 38.020 38.015 37.995 38.020 38.015 38.035 38.035 38.035 38.01 37.995
[3,] 38.525 38.525 38.535 38.515 38.485 38.510 38.510 38.485 38.41 38.285
[4,] 38.880 38.865 38.850 38.735 38.720 38.780 38.775 38.800 38.78 38.690
[5,] 38.970 38.960 38.950 38.920 38.960 38.970 38.970 38.950 38.93 39.080
      [,11] [,12]
[1,] 37.750 37.75
[2,] 38.005 38.00
[3,] 38.255 38.26
[4,] 38.690 38.69
[5,] 39.050 38.97

$n
 [1] 8 8 8 8 8 8 8 8 8 8 8 8

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 38.04459 38.05018 38.05738 38.11559 38.09118 38.09383 38.09663 38.05766
[2,] 39.00541 38.99982 39.01262 38.91441 38.87882 38.92617 38.92337 38.91234
         [,9]    [,10]    [,11]    [,12]
[1,] 37.97987 37.89676 37.87235 37.87456
[2,] 38.84013 38.67324 38.63765 38.64544

$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(38, 38.02, 38.525, 38.88, 38.97, 38, 38.015,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/54jgt1381918486.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,] -0.030 -0.03 -7.000000e-02 -0.130 0.000    0 -0.020 -0.05 -0.230 -0.120
[2,] -0.015 -0.02 -5.000000e-02 -0.070 0.000    0 -0.015 -0.04 -0.140 -0.055
[3,]  0.000 -0.01 -3.000000e-02  0.010 0.015    0  0.000 -0.03 -0.075 -0.040
[4,]  0.000  0.00 -3.552714e-15  0.055 0.055    0  0.005 -0.02  0.010  0.025
[5,]  0.010  0.00  5.000000e-02  0.080 0.120    0  0.010 -0.01  0.040  0.070
      [,11] [,12]
[1,] -0.040     0
[2,] -0.025     0
[3,]  0.000     0
[4,]  0.000     0
[5,]  0.000     0

$n
 [1] 8 8 8 8 8 8 8 8 8 8 8 7

$conf
             [,1]         [,2]         [,3]        [,4]        [,5] [,6]
[1,] -0.008379215 -0.021172287 -0.057930718 -0.05982679 -0.01572379    0
[2,]  0.008379215  0.001172287 -0.002069282  0.07982679  0.04572379    0
            [,7]        [,8]         [,9]        [,10]       [,11] [,12]
[1,] -0.01117229 -0.04117229 -0.158792154 -0.084689149 -0.01396536     0
[2,]  0.01117229 -0.01882771  0.008792154  0.004689149  0.01396536     0

$out
 [1]  0.03 -0.05 -0.16 -0.01  0.06 -0.06 -0.12  0.25 -0.08  0.05

$group
 [1]  2  2  3  6  7  7  8  9 11 11

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

Warning message:
In bxp(list(stats = c(-0.0300000000000011, -0.014999999999997, 0,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6e00p1381918486.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] [,9]
[1,] 38.750 38.760 38.570 38.420 38.040 37.980 37.930 37.87   NA
[2,] 38.860 38.865 38.615 38.440 38.255 38.015 37.975 37.91   NA
[3,] 38.900 38.950 38.690 38.475 38.480 38.035 38.000 38.00   NA
[4,] 38.965 38.965 38.755 38.555 38.530 38.050 38.010 38.00   NA
[5,] 39.080 38.970 38.810 38.570 38.550 38.060 38.020 38.01   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 38.85211 38.90439 38.62615 38.42255 38.35457 38.01904 37.98404 37.95895
[2,] 38.94789 38.99561 38.75385 38.52745 38.60543 38.05096 38.01596 38.04105
     [,9]
[1,]   NA
[2,]   NA

$out
[1] 37.75 37.75

$group
[1] 8 8

$names
[1] "1" "2" "3" "4" "5" "6" "7" "8" NA 

Warning message:
In bxp(list(stats = c(38.75, 38.86, 38.9, 38.965, 39.08, 38.76,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7l57v1381918486.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,] 38.32750 38.2550 38.3150
[2,] 38.38562 38.3475 38.3450
[3,] 38.43812 38.4975 38.3850
[4,] 38.45687 38.5200 38.4050
[5,] 38.47750 38.5350 38.4375

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 38.40563 38.41882 38.35763
[2,] 38.47062 38.57618 38.41237

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(38.3275, 38.385625, 38.438125, 38.456875,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1gd751381918486.ps tmp/1gd751381918486.png",intern=TRUE))
character(0)
> try(system("convert tmp/2pokk1381918486.ps tmp/2pokk1381918486.png",intern=TRUE))
character(0)
> try(system("convert tmp/3mocr1381918486.ps tmp/3mocr1381918486.png",intern=TRUE))
character(0)
> try(system("convert tmp/45xxn1381918486.ps tmp/45xxn1381918486.png",intern=TRUE))
character(0)
> try(system("convert tmp/54jgt1381918486.ps tmp/54jgt1381918486.png",intern=TRUE))
character(0)
> try(system("convert tmp/6e00p1381918486.ps tmp/6e00p1381918486.png",intern=TRUE))
character(0)
> try(system("convert tmp/7l57v1381918486.ps tmp/7l57v1381918486.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.339   0.744   4.070