R version 3.3.0 (2016-05-03) -- "Supposedly Educational"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(110.27,110.91,110.27,109.41,111.47,110.77,110.83,110.52,110.44,109.99,110.55,109.99,111.2,111.81,110.36,111.24,112.6,111.75,112.49,111.94,113.22,112.85,114.37,113.68,118,118.27,119.2,117.98,117.59,117.41,118.31,118.4,117.92,118.94,118.81,117.44,120.21,119.74,118.79,118.19,119.16,118.88,119.59,119.44,119.84,119.31,118.15,118.23,119.89,118.83,118.95,119.86,119.07,119.52,119.92,119.68,119.81,120.09,119.98,118.96)
> par1 = '12'
> par1 <- as.numeric(par1)
> x <- na.omit(x)
> (n <- length(x))
[1] 60
> (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] 5 5 5 5 5 5 5 5 5 5 5 5
> arr
        [,1]   [,2]   [,3]   [,4]   [,5] [,6]
 [1,] 110.27 111.20 118.00 120.21 119.89   NA
 [2,] 110.91 111.81 118.27 119.74 118.83   NA
 [3,] 110.27 110.36 119.20 118.79 118.95   NA
 [4,] 109.41 111.24 117.98 118.19 119.86   NA
 [5,] 111.47 112.60 117.59 119.16 119.07   NA
 [6,] 110.77 111.75 117.41 118.88 119.52   NA
 [7,] 110.83 112.49 118.31 119.59 119.92   NA
 [8,] 110.52 111.94 118.40 119.44 119.68   NA
 [9,] 110.44 113.22 117.92 119.84 119.81   NA
[10,] 109.99 112.85 118.94 119.31 120.09   NA
[11,] 110.55 114.37 118.81 118.15 119.98   NA
[12,] 109.99 113.68 117.44 118.23 118.96   NA
> darr
       [,1]  [,2]  [,3]  [,4]  [,5] [,6]
 [1,]  0.64  0.61  0.27 -0.47 -1.06   NA
 [2,] -0.64 -1.45  0.93 -0.95  0.12   NA
 [3,] -0.86  0.88 -1.22 -0.60  0.91   NA
 [4,]  2.06  1.36 -0.39  0.97 -0.79   NA
 [5,] -0.70 -0.85 -0.18 -0.28  0.45   NA
 [6,]  0.06  0.74  0.90  0.71  0.40   NA
 [7,] -0.31 -0.55  0.09 -0.15 -0.24   NA
 [8,] -0.08  1.28 -0.48  0.40  0.13   NA
 [9,] -0.45 -0.37  1.02 -0.53  0.28   NA
[10,]  0.56  1.52 -0.13 -1.16 -0.11   NA
[11,] -0.56 -0.69 -1.37  0.08 -1.02   NA
[12,]  1.21  4.32  2.77  1.66    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/1npvb1464462528.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/27ilk1464462528.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/3z3nm1464462528.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/4bjk71464462528.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,] 110.27 110.91 110.27 109.41 111.47 110.77 110.83 110.52 110.44 109.99
[2,] 111.20 111.81 110.36 111.24 112.60 111.75 112.49 111.94 113.22 112.85
[3,] 118.00 118.27 118.79 117.98 117.59 117.41 118.31 118.40 117.92 118.94
[4,] 119.89 118.83 118.95 118.19 119.07 118.88 119.59 119.44 119.81 119.31
[5,] 120.21 119.74 119.20 119.86 119.16 119.52 119.92 119.68 119.84 120.09
      [,11]  [,12]
[1,] 110.55 109.99
[2,] 114.37 113.68
[3,] 118.15 117.44
[4,] 118.81 118.23
[5,] 119.98 118.96

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

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]    [,6]     [,7]     [,8]
[1,] 111.8597 113.3097 112.7203 113.0691 113.0183 112.372 113.2932 113.1005
[2,] 124.1403 123.2303 124.8597 122.8909 122.1617 122.448 123.3268 123.6995
         [,9]    [,10]    [,11]   [,12]
[1,] 113.2635 114.3754 115.0127 114.225
[2,] 122.5765 123.5046 121.2873 120.655

$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(110.27, 111.2, 118, 119.89, 120.21, 110.91,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/5cbxx1464462528.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,] -1.06 -1.45 -1.22 -0.79 -0.85 0.06 -0.55 -0.48 -0.53 -1.16 -1.37 1.210
[2,] -0.47 -0.95 -0.86 -0.39 -0.70 0.40 -0.31 -0.08 -0.45 -0.13 -1.02 1.435
[3,]  0.27 -0.64 -0.60  0.97 -0.28 0.71 -0.24  0.13 -0.37 -0.11 -0.69 2.215
[4,]  0.61  0.12  0.88  1.36 -0.18 0.74 -0.15  0.40  0.28  0.56 -0.56 3.545
[5,]  0.64  0.93  0.91  2.06  0.45 0.90 -0.15  0.40  1.02  1.52  0.08 4.320

$n
 [1] 5 5 5 5 5 5 5 5 5 5 5 4

$conf
           [,1]       [,2]       [,3]       [,4]        [,5]      [,6]
[1,] -0.4931253 -1.3960593 -1.8294796 -0.2665456 -0.64743069 0.4697569
[2,]  1.0331253  0.1160593  0.6294796  2.2065456  0.08743069 0.9502431
           [,7]       [,8]       [,9]      [,10]      [,11]  [,12]
[1,] -0.3530556 -0.2091668 -0.8858162 -0.5975523 -1.0150348 0.5481
[2,] -0.1269444  0.4691668  0.1458162  0.3775523 -0.3649652 3.8819

$out
[1] 0.09 1.28

$group
[1] 7 8

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

Warning message:
In bxp(list(stats = c(-1.06, -0.469999999999999, 0.269999999999996,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/66ym11464462528.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,] 109.41 110.360 117.410 118.150 118.830   NA
[2,] 110.13 111.495 117.755 118.510 119.015   NA
[3,] 110.48 112.215 118.135 119.235 119.745   NA
[4,] 110.80 113.035 118.605 119.665 119.905   NA
[5,] 111.47 114.370 119.200 120.210 120.090   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 110.1744 111.5126 117.7473 118.7082 119.3391   NA
[2,] 110.7856 112.9174 118.5227 119.7618 120.1509   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(109.41, 110.13, 110.48, 110.8, 111.47, 110.36,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/7kup31464462528.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,] 115.336 117.410 114.6550
[2,] 115.663 117.755 115.3175
[3,] 115.946 118.075 115.7625
[4,] 116.232 118.355 116.0600
[5,] 116.372 118.940 116.5900

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 115.6865 117.8013 115.4238
[2,] 116.2055 118.3487 116.1012

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(115.336, 115.663, 115.946, 116.232, 116.372,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1npvb1464462528.ps tmp/1npvb1464462528.png",intern=TRUE))
character(0)
> try(system("convert tmp/27ilk1464462528.ps tmp/27ilk1464462528.png",intern=TRUE))
character(0)
> try(system("convert tmp/3z3nm1464462528.ps tmp/3z3nm1464462528.png",intern=TRUE))
character(0)
> try(system("convert tmp/4bjk71464462528.ps tmp/4bjk71464462528.png",intern=TRUE))
character(0)
> try(system("convert tmp/5cbxx1464462528.ps tmp/5cbxx1464462528.png",intern=TRUE))
character(0)
> try(system("convert tmp/66ym11464462528.ps tmp/66ym11464462528.png",intern=TRUE))
character(0)
> try(system("convert tmp/7kup31464462528.ps tmp/7kup31464462528.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.359   0.446   2.827