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(28.53,28.48,28.68,28.89,29.2,29.21,29.15,29.22,29.34,29.13,28.84,28.76,28.75,28.89,28.82,29.12,29.21,29.3,29.32,29.52,29.64,29.54,29.54,29.34,29.34,29.54,29.94,30.17,30.23,30.34,30.34,30.36,30.3,30.28,29.89,29.58,29.68,29.73,30.07,30.32,30.55,30.62,30.67,30.79,30.8,30.5,30.07,29.41,29.42,29.99,30.14,30.41,30.78,30.88,30.92,30.93,31.62,31.48,31.3,31.11,31.16,31.22,31.66,32.11,32.27,32.36,32.42,32.52,32.41,31.87,31.04,30.58)
> 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,] 28.53 28.75 29.34 29.68 29.42 31.16   NA
 [2,] 28.48 28.89 29.54 29.73 29.99 31.22   NA
 [3,] 28.68 28.82 29.94 30.07 30.14 31.66   NA
 [4,] 28.89 29.12 30.17 30.32 30.41 32.11   NA
 [5,] 29.20 29.21 30.23 30.55 30.78 32.27   NA
 [6,] 29.21 29.30 30.34 30.62 30.88 32.36   NA
 [7,] 29.15 29.32 30.34 30.67 30.92 32.42   NA
 [8,] 29.22 29.52 30.36 30.79 30.93 32.52   NA
 [9,] 29.34 29.64 30.30 30.80 31.62 32.41   NA
[10,] 29.13 29.54 30.28 30.50 31.48 31.87   NA
[11,] 28.84 29.54 29.89 30.07 31.30 31.04   NA
[12,] 28.76 29.34 29.58 29.41 31.11 30.58   NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6] [,7]
 [1,] -0.05  0.14  0.20  0.05  0.57  0.06   NA
 [2,]  0.20 -0.07  0.40  0.34  0.15  0.44   NA
 [3,]  0.21  0.30  0.23  0.25  0.27  0.45   NA
 [4,]  0.31  0.09  0.06  0.23  0.37  0.16   NA
 [5,]  0.01  0.09  0.11  0.07  0.10  0.09   NA
 [6,] -0.06  0.02  0.00  0.05  0.04  0.06   NA
 [7,]  0.07  0.20  0.02  0.12  0.01  0.10   NA
 [8,]  0.12  0.12 -0.06  0.01  0.69 -0.11   NA
 [9,] -0.21 -0.10 -0.02 -0.30 -0.14 -0.54   NA
[10,] -0.29  0.00 -0.39 -0.43 -0.18 -0.83   NA
[11,] -0.08 -0.20 -0.31 -0.66 -0.19 -0.46   NA
[12,] -0.01  0.00  0.10  0.01  0.05    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/10fxf1381738489.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/2wn7a1381738489.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/3080u1381738489.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/4dear1381738489.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,] 28.53 28.480 28.680 28.890 29.20 29.21 29.150 29.220 29.34 29.13 28.84
[2,] 28.75 28.890 28.820 29.120 29.21 29.30 29.320 29.520 29.64 29.54 29.54
[3,] 29.38 29.635 30.005 30.245 30.39 30.48 30.505 30.575 30.55 30.39 29.98
[4,] 29.68 29.990 30.140 30.410 30.78 30.88 30.920 30.930 31.62 31.48 31.04
[5,] 29.68 31.220 31.660 32.110 32.27 32.36 32.420 32.520 32.41 31.87 31.30
      [,12]
[1,] 28.760
[2,] 29.340
[3,] 29.495
[4,] 30.580
[5,] 31.110

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

$conf
         [,1]     [,2]     [,3]     [,4]    [,5]     [,6]     [,7]    [,8]
[1,] 28.78012 28.92546 29.15356 29.41291 29.3773 29.46085 29.47295 29.6655
[2,] 29.97988 30.34454 30.85644 31.07709 31.4027 31.49915 31.53705 31.4845
         [,9]    [,10]    [,11]    [,12]
[1,] 29.27284 29.13864 29.01245 28.69516
[2,] 31.82716 31.64136 30.94755 30.29484

$out
[1] 31.16

$group
[1] 1

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

Warning message:
In bxp(list(stats = c(28.53, 28.75, 29.38, 29.68, 29.68, 28.48,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5ktb21381738489.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,] -0.05 -0.07 0.21 0.060 0.07 -0.06 0.010 -0.110 -0.540 -0.43 -0.660 -0.01
[2,]  0.05  0.15 0.23 0.090 0.07  0.00 0.020 -0.060 -0.300 -0.43 -0.460  0.00
[3,]  0.10  0.27 0.26 0.195 0.09  0.03 0.085  0.065 -0.175 -0.34 -0.255  0.01
[4,]  0.20  0.40 0.30 0.310 0.10  0.05 0.120  0.120 -0.100 -0.18 -0.190  0.05
[5,]  0.20  0.44 0.30 0.370 0.11  0.06 0.200  0.120 -0.020  0.00 -0.080  0.10

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

$conf
            [,1]      [,2]      [,3]       [,4]       [,5]         [,6]
[1,] 0.003245155 0.1087419 0.2148477 0.05309289 0.07064903 -0.002251615
[2,] 0.196754845 0.4312581 0.3051523 0.33690711 0.10935097  0.062251615
           [,7]        [,8]        [,9]      [,10]       [,11]       [,12]
[1,] 0.02049677 -0.05110581 -0.30400646 -0.5012581 -0.42915872 -0.02532987
[2,] 0.14950323  0.18110581 -0.04599354 -0.1787419 -0.08084128  0.04532987

$out
[1]  0.57  0.45  0.01  0.69 -0.83

$group
[1]  1  3  5  8 10

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

Warning message:
In bxp(list(stats = c(-0.0500000000000007, 0.0500000000000007, 0.0999999999999996,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6jgw31381738489.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,] 28.480 28.750 29.340 29.410 29.420 30.580   NA
[2,] 28.720 29.005 29.735 29.900 30.275 31.190   NA
[3,] 29.010 29.310 30.200 30.410 30.900 31.990   NA
[4,] 29.205 29.530 30.320 30.645 31.205 32.385   NA
[5,] 29.340 29.640 30.360 30.800 31.620 32.520   NA

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

$conf
         [,1]     [,2]     [,3]    [,4]     [,5]     [,6] [,7]
[1,] 28.78879 29.07054 29.93318 30.0702 30.47582 31.44495   NA
[2,] 29.23121 29.54946 30.46682 30.7498 31.32418 32.53505   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(28.48, 28.72, 29.01, 29.205, 29.34, 28.75,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7puhq1381738489.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,] 29.48000 29.3800 29.25625
[2,] 29.84083 29.8075 29.72750
[3,] 30.27167 30.3175 30.14062
[4,] 30.46833 30.4925 30.26438
[5,] 30.68500 30.5750 30.61000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 29.98546 30.00507 29.89575
[2,] 30.55787 30.62993 30.38550

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(29.48, 29.8408333333333, 30.2716666666667,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/10fxf1381738489.ps tmp/10fxf1381738489.png",intern=TRUE))
character(0)
> try(system("convert tmp/2wn7a1381738489.ps tmp/2wn7a1381738489.png",intern=TRUE))
character(0)
> try(system("convert tmp/3080u1381738489.ps tmp/3080u1381738489.png",intern=TRUE))
character(0)
> try(system("convert tmp/4dear1381738489.ps tmp/4dear1381738489.png",intern=TRUE))
character(0)
> try(system("convert tmp/5ktb21381738489.ps tmp/5ktb21381738489.png",intern=TRUE))
character(0)
> try(system("convert tmp/6jgw31381738489.ps tmp/6jgw31381738489.png",intern=TRUE))
character(0)
> try(system("convert tmp/7puhq1381738489.ps tmp/7puhq1381738489.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.484   0.708   4.180