R version 3.2.2 (2015-08-14) -- "Fire Safety"
Copyright (C) 2015 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(28100,27900,28078,28479,28156,29219,28782,27078,30031,29579,26532,23995,22067,21818,23787,21551,21309,22395,22906,21430,23492,24144,24438,24689,24569,23754,28473,27051,27081,29635,27715,26373,28009,29472,30005,29777,28886,28549,33348,29017,30924,30435,29431,30290,31286,30622,31742,30391,30740,32086,33947,31312,33239,32362,32170,32665,31412,34891,33919,30706,32846,31368,33130,31665,33139,32201,32230,30287,31918,33853,32232,31484,31902,30260,32823,32018,32100,31952,33274,29491,32751,33643,31226,30976)
> 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,] 28100 22067 24569 28886 30740 32846 31902   NA
 [2,] 27900 21818 23754 28549 32086 31368 30260   NA
 [3,] 28078 23787 28473 33348 33947 33130 32823   NA
 [4,] 28479 21551 27051 29017 31312 31665 32018   NA
 [5,] 28156 21309 27081 30924 33239 33139 32100   NA
 [6,] 29219 22395 29635 30435 32362 32201 31952   NA
 [7,] 28782 22906 27715 29431 32170 32230 33274   NA
 [8,] 27078 21430 26373 30290 32665 30287 29491   NA
 [9,] 30031 23492 28009 31286 31412 31918 32751   NA
[10,] 29579 24144 29472 30622 34891 33853 33643   NA
[11,] 26532 24438 30005 31742 33919 32232 31226   NA
[12,] 23995 24689 29777 30391 30706 31484 30976   NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5]  [,6]  [,7] [,8]
 [1,]  -200  -249  -815  -337  1346 -1478 -1642   NA
 [2,]   178  1969  4719  4799  1861  1762  2563   NA
 [3,]   401 -2236 -1422 -4331 -2635 -1465  -805   NA
 [4,]  -323  -242    30  1907  1927  1474    82   NA
 [5,]  1063  1086  2554  -489  -877  -938  -148   NA
 [6,]  -437   511 -1920 -1004  -192    29  1322   NA
 [7,] -1704 -1476 -1342   859   495 -1943 -3783   NA
 [8,]  2953  2062  1636   996 -1253  1631  3260   NA
 [9,]  -452   652  1463  -664  3479  1935   892   NA
[10,] -3047   294   533  1120  -972 -1621 -2417   NA
[11,] -2537   251  -228 -1351 -3213  -748  -250   NA
[12,] -1928  -120  -891   349  2140   418    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/1izws1445003784.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/28pal1445003784.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/3edmn1445003784.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/4iekk1445003784.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]
[1,] 22067.0 21818 23787.0 27051.0 21309.0 29219.0 22906.0 21430.0 28009
[2,] 26334.5 25827 28275.5 27765.0 27618.5 29427.0 28248.5 26725.5 29020
[3,] 28886.0 28549 32823.0 29017.0 30924.0 30435.0 29431.0 29491.0 31286
[4,] 31321.0 30814 33239.0 31488.5 32619.5 32076.5 32200.0 30288.5 31665
[5,] 32846.0 32086 33947.0 32018.0 33239.0 32362.0 33274.0 32665.0 32751
       [,10]   [,11] [,12]
[1,] 24144.0 24438.0 23995
[2,] 29525.5 28268.5 27233
[3,] 30622.0 31226.0 30391
[4,] 33748.0 31987.0 30841
[5,] 34891.0 33919.0 31484

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 25908.14 25570.84 29858.88 26793.39 27937.48 28852.76 27071.23 27363.23
[2,] 31863.86 31527.16 35787.12 31240.61 33910.52 32017.24 31790.77 31618.77
         [,9]    [,10]    [,11]    [,12]
[1,] 29706.45 28100.39 29005.37 28236.36
[2,] 32865.55 33143.61 33446.63 32545.64

$out
[1] 21551 22395 23492

$group
[1] 4 6 9

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

Warning message:
In bxp(list(stats = c(22067, 26334.5, 28886, 31321, 32846, 21818,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/59n6r1445003784.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,] -1642.0  178.0 -4331.0 -323.0 -938.0 -1920.0 -3783.0  996.0 -664 -3047.0
[2,] -1146.5 1811.5 -2435.5 -106.0 -683.0  -720.5 -1823.5 1313.5  100 -2019.0
[3,]  -337.0 1969.0 -1465.0   82.0 -148.0  -192.0 -1476.0 1636.0  892  -972.0
[4,]  -224.5 3641.0 -1113.5 1690.5 1074.5   270.0  -423.5 2507.5 1699   413.5
[5,]  -200.0 4799.0   401.0 1927.0 2554.0  1322.0   859.0 3260.0 3479  1120.0
     [,11]   [,12]
[1,] -3213 -1928.0
[2,] -1944  -891.0
[3,]  -748   114.5
[4,]  -239   418.0
[5,]   251  2140.0

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

$conf
          [,1]      [,2]       [,3]      [,4]       [,5]      [,6]       [,7]
[1,] -887.6035  876.4521 -2254.4771 -990.8408 -1197.5506 -783.5106 -2312.0574
[2,]  213.6035 3061.5479  -675.5229 1154.8408   901.5506  399.5106  -639.9426
          [,8]     [,9]      [,10]      [,11]     [,12]
[1,]  922.9625  -62.897 -2424.6498 -1766.1985 -729.8473
[2,] 2349.0375 1846.897   480.6498   270.1985  958.8473

$out
[1]  1346 -1253

$group
[1] 1 8

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

Warning message:
In bxp(list(stats = c(-1642, -1146.5, -337, -224.5, -200, 178, 1811.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/6rftm1445003784.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,] 26532.0 21309.0 23754.0 28549 30706 30287.0 29491   NA
[2,] 27489.0 21684.5 26712.0 29224 31362 31574.5 31101   NA
[3,] 28128.0 22650.5 27862.0 30413 32266 32215.5 31985   NA
[4,] 29000.5 23965.5 29553.5 31105 33579 32988.0 32787   NA
[5,] 30031.0 24689.0 30005.0 33348 34891 33853.0 33643   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]  [,7] [,8]
[1,] 27438.59 21610.12 26565.97 29555.06 31254.81 31570.79 31216   NA
[2,] 28817.41 23690.88 29158.03 31270.94 33277.19 32860.21 32754   NA

$out
[1] 23995

$group
[1] 1

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

Warning message:
In bxp(list(stats = c(26532, 27489, 28128, 29000.5, 30031, 21309,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7pme71445003784.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,] 27962.14 28549 28320.50
[2,] 28585.93 29224 28932.38
[3,] 29461.14 30413 30123.38
[4,] 29928.07 31075 30547.12
[5,] 30886.29 32823 31636.75

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 28848.98 29568.75 29386.88
[2,] 30073.30 31257.25 30859.87

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(27962.1428571429, 28585.9285714286, 29461.1428571429,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1izws1445003784.ps tmp/1izws1445003784.png",intern=TRUE))
character(0)
> try(system("convert tmp/28pal1445003784.ps tmp/28pal1445003784.png",intern=TRUE))
character(0)
> try(system("convert tmp/3edmn1445003784.ps tmp/3edmn1445003784.png",intern=TRUE))
character(0)
> try(system("convert tmp/4iekk1445003784.ps tmp/4iekk1445003784.png",intern=TRUE))
character(0)
> try(system("convert tmp/59n6r1445003784.ps tmp/59n6r1445003784.png",intern=TRUE))
character(0)
> try(system("convert tmp/6rftm1445003784.ps tmp/6rftm1445003784.png",intern=TRUE))
character(0)
> try(system("convert tmp/7pme71445003784.ps tmp/7pme71445003784.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.522   0.466   3.013