R version 3.3.3 (2017-03-06) -- "Another Canoe"
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Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(8899,8899,9093,9093,9093,9116,9116,9116,10073,10073,10073,9223,9223,9223,9151,9151,9151,6727,6727,6727,7232,7232,7232,6370,6370,6370,6862,6862,6862,7029,7029,7029,7031,7031,7031,7223,7223,7223,8065,8065,8065,7657,7657,7657,7328,7328,7328,7115,7115,7115,7926,7926,7926,8681,8681,8681,8670,8670,8670,8028,8028)
> par1 = '12'
> par1 <- '12'
> #'GNU S' R Code compiled by R2WASP v. 1.2.327 (Mon, 30 Nov 2015 07:01:18 +0000)
> #Author: root
> #To cite this work: Wessa P., (2015), Mean Plot (v1.0.5) 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)
> x <- na.omit(x)
> (n <- length(x))
[1] 61
> (np <- floor(n / par1))
[1] 5
> 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 5 5 5 5 5 5 5 5 5 5 5
> arr
       [,1] [,2] [,3] [,4] [,5] [,6]
 [1,]  8899 9223 6370 7223 7115 8028
 [2,]  8899 9223 6370 7223 7115   NA
 [3,]  9093 9151 6862 8065 7926   NA
 [4,]  9093 9151 6862 8065 7926   NA
 [5,]  9093 9151 6862 8065 7926   NA
 [6,]  9116 6727 7029 7657 8681   NA
 [7,]  9116 6727 7029 7657 8681   NA
 [8,]  9116 6727 7029 7657 8681   NA
 [9,] 10073 7232 7031 7328 8670   NA
[10,] 10073 7232 7031 7328 8670   NA
[11,] 10073 7232 7031 7328 8670   NA
[12,]  9223 6370 7223 7115 8028   NA
> darr
      [,1]  [,2] [,3] [,4] [,5] [,6]
 [1,]    0     0    0    0    0   NA
 [2,]  194   -72  492  842  811   NA
 [3,]    0     0    0    0    0   NA
 [4,]    0     0    0    0    0   NA
 [5,]   23 -2424  167 -408  755   NA
 [6,]    0     0    0    0    0   NA
 [7,]    0     0    0    0    0   NA
 [8,]  957   505    2 -329  -11   NA
 [9,]    0     0    0    0    0   NA
[10,]    0     0    0    0    0   NA
[11,] -850  -862  192 -213 -642   NA
[12,]    0     0    0    0    0   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/11y6y1493724092.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/20p371493724092.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/3g6iv1493724092.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/4gvfb1493724092.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] [,12]
[1,] 6370.0 6370 6862 6862 6862 6727 6727 6727  7031  7031  7031  6370
[2,] 7115.0 7115 7926 7926 7926 7029 7029 7029  7232  7232  7232  7115
[3,] 7625.5 7223 8065 8065 8065 7657 7657 7657  7328  7328  7328  7223
[4,] 8899.0 8899 9093 9093 9093 8681 8681 8681  8670  8670  8670  8028
[5,] 9223.0 9223 9151 9151 9151 9116 9116 9116 10073 10073 10073  9223

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

$conf
         [,1]    [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 6474.762 5962.43 7240.401 7240.401 7240.401 6489.701 6489.701 6489.701
[2,] 8776.238 8483.57 8889.599 8889.599 8889.599 8824.299 8824.299 8824.299
         [,9]    [,10]    [,11]    [,12]
[1,] 6311.913 6311.913 6311.913 6577.876
[2,] 8344.087 8344.087 8344.087 7868.124

$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(6370, 7115, 7625.5, 8899, 9223, 6370, 7115,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5z4gc1493724092.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  -72    0    0 -408    0    0 -329    0     0  -862     0
[2,]    0  194    0    0 -408    0    0  -11    0     0  -850     0
[3,]    0  492    0    0   23    0    0    2    0     0  -642     0
[4,]    0  811    0    0  167    0    0  505    0     0  -213     0
[5,]    0  842    0    0  755    0    0  957    0     0   192     0

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

$conf
     [,1]      [,2] [,3] [,4]      [,5] [,6] [,7]      [,8] [,9] [,10]
[1,]    0  56.02935    0    0 -383.2936    0    0 -362.6043    0     0
[2,]    0 927.97065    0    0  429.2936    0    0  366.6043    0     0
          [,11] [,12]
[1,] -1092.1026     0
[2,]  -191.8974     0

$out
[1] -2424

$group
[1] 5

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

Warning message:
In bxp(list(stats = c(0, 0, 0, 0, 0, -72, 194, 492, 811, 842, 0,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6hgw51493724092.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]
[1,]  8899 6370 6862 7115.0 7115.0 8028
[2,]  9093 6727 6862 7275.5 7926.0 8028
[3,]  9116 7232 7029 7492.5 8349.0 8028
[4,]  9648 9151 7031 7861.0 8675.5 8028
[5,] 10073 9223 7223 8065.0 8681.0 8028

$n
[1] 12 12 12 12 12  1

$conf
         [,1]     [,2]     [,3]    [,4]     [,5] [,6]
[1,] 8862.861 6126.397 6951.918 7225.45 8007.148 8028
[2,] 9369.139 8337.603 7106.082 7759.55 8690.852 8028

$out
[1] 6370 6370

$group
[1] 3 3

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

Warning message:
In bxp(list(stats = c(8899, 9093, 9116, 9648, 10073, 6370, 6727,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7avpe1493724092.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,] 7591.800 7223.00 7571.50
[2,] 7825.833 7328.00 7855.00
[3,] 7954.400 7641.25 7951.00
[4,] 8143.100 7861.00 8258.25
[5,] 8219.400 8065.00 8509.50

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 7809.693 7398.145 7767.075
[2,] 8099.107 7884.355 8134.925

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(7591.8, 7825.83333333333, 7954.4, 8143.1,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/11y6y1493724092.ps tmp/11y6y1493724092.png",intern=TRUE))
character(0)
> try(system("convert tmp/20p371493724092.ps tmp/20p371493724092.png",intern=TRUE))
character(0)
> try(system("convert tmp/3g6iv1493724092.ps tmp/3g6iv1493724092.png",intern=TRUE))
character(0)
> try(system("convert tmp/4gvfb1493724092.ps tmp/4gvfb1493724092.png",intern=TRUE))
character(0)
> try(system("convert tmp/5z4gc1493724092.ps tmp/5z4gc1493724092.png",intern=TRUE))
character(0)
> try(system("convert tmp/6hgw51493724092.ps tmp/6hgw51493724092.png",intern=TRUE))
character(0)
> try(system("convert tmp/7avpe1493724092.ps tmp/7avpe1493724092.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  3.332   0.379   3.874