R version 2.12.0 (2010-10-15)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(29975,29124,29704,29564,30550,29812,30611,30577,30637,30944,30852,31216,31113,32073,31447,32293,31807,31778,31707,32135,31929,32923,33181,33435,34721,35179,35605,35931,35093,35053,35092,35295,35981,35606,35815,36144,36391,35642,36896,36399,38385,38226,38609,38227,38254,38047,38437,37963,38231,38283,38839,38833,39431,40091,40289,39433,38677,38107,38485,38464)
> par1 = '12'
> par1 <- as.numeric(par1)
> (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,] 29975 31113 34721 36391 38231   NA
 [2,] 29124 32073 35179 35642 38283   NA
 [3,] 29704 31447 35605 36896 38839   NA
 [4,] 29564 32293 35931 36399 38833   NA
 [5,] 30550 31807 35093 38385 39431   NA
 [6,] 29812 31778 35053 38226 40091   NA
 [7,] 30611 31707 35092 38609 40289   NA
 [8,] 30577 32135 35295 38227 39433   NA
 [9,] 30637 31929 35981 38254 38677   NA
[10,] 30944 32923 35606 38047 38107   NA
[11,] 30852 33181 35815 38437 38485   NA
[12,] 31216 33435 36144 37963 38464   NA
> darr
      [,1] [,2] [,3] [,4] [,5] [,6]
 [1,] -851  960  458 -749   52   NA
 [2,]  580 -626  426 1254  556   NA
 [3,] -140  846  326 -497   -6   NA
 [4,]  986 -486 -838 1986  598   NA
 [5,] -738  -29  -40 -159  660   NA
 [6,]  799  -71   39  383  198   NA
 [7,]  -34  428  203 -382 -856   NA
 [8,]   60 -206  686   27 -756   NA
 [9,]  307  994 -375 -207 -570   NA
[10,]  -92  258  209  390  378   NA
[11,]  364  254  329 -474  -21   NA
[12,] -103 1286  247  268   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/www/rcomp/tmp/1j7t31321391510.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/www/rcomp/tmp/2q2i41321391510.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/www/rcomp/tmp/3yxee1321391510.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/www/rcomp/tmp/4lhzt1321391510.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,] 29975 29124 29704 29564 30550 29812 30611 30577 30637 30944 30852 31216
[2,] 31113 32073 31447 32293 31807 31778 31707 32135 31929 32923 33181 33435
[3,] 34721 35179 35605 35931 35093 35053 35092 35295 35981 35606 35815 36144
[4,] 36391 35642 36896 36399 38385 38226 38609 38227 38254 38047 38437 37963
[5,] 38231 38283 38839 38833 39431 40091 40289 39433 38677 38107 38485 38464

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

$conf
         [,1]     [,2]     [,3]     [,4]  [,5]     [,6]     [,7]     [,8]
[1,] 30991.58 32657.15 31754.75 33029.71 30445 30496.86 30215.06 30990.41
[2,] 38450.42 37700.85 39455.25 38832.29 39741 39609.14 39968.94 39599.59
         [,9]    [,10]    [,11]    [,12]
[1,] 31511.77 31985.39 32101.12 32944.53
[2,] 40450.23 39226.61 39528.88 39343.47

$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(29975, 31113, 34721, 36391, 38231, 29124,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/5g1na1321391510.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,] -851  426 -497 -838 -159  -71 -856 -206 -570   209  -474 -103.0
[2,] -749  426 -140 -486 -159   39 -382 -206 -375   209   -21   72.0
[3,]   52  556   -6  598  -40  198  -34   27 -207   258   254  257.5
[4,]  458  580  326  986  -29  383  203   60  307   378   329  777.0
[5,]  960  580  846 1986  -29  799  428   60  994   390   364 1286.0

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

$conf
          [,1]    [,2]      [,3]      [,4]       [,5]      [,6]      [,7]
[1,] -800.8632 447.184 -335.2744 -442.1115 -131.85767 -45.06953 -447.3595
[2,]  904.8632 664.816  323.2744 1638.1115   51.85767 441.06953  379.3595
          [,8]      [,9]    [,10]      [,11]   [,12]
[1,] -160.9549 -688.8995 138.5850   6.690882 -299.45
[2,]  214.9549  274.8995 377.4150 501.309118  814.45

$out
[1] -626 1254 -738  660  686 -756  -92

$group
[1]  2  2  5  5  8  8 10

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

Warning message:
In bxp(list(stats = c(-851, -749, 52, 458, 960, 426, 426, 556, 580,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/6gaa61321391510.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,] 29124.0 31113.0 34721.0 35642.0 38107.0   NA
[2,] 29758.0 31742.5 35092.5 36647.5 38373.5   NA
[3,] 30563.5 32001.0 35450.0 38136.5 38755.0   NA
[4,] 30744.5 32608.0 35873.0 38319.5 39432.0   NA
[5,] 31216.0 33435.0 36144.0 38609.0 40289.0   NA

$n
[1] 12 12 12 12 12  0

$conf
         [,1]     [,2]     [,3]     [,4]     [,5] [,6]
[1,] 30113.55 31606.24 35094.01 37373.89 38272.21   NA
[2,] 31013.45 32395.76 35805.99 38899.11 39237.79   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(29124, 29758, 30563.5, 30744.5, 31216, 31113,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/rcomp/tmp/74qe41321391510.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,] 34060.2 34721.0 33752.00
[2,] 34551.1 35092.5 34258.75
[3,] 35074.4 35450.0 35093.75
[4,] 35197.5 35873.0 35333.00
[5,] 35444.4 36144.0 35809.00

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 34779.57 35094.01 34603.78
[2,] 35369.23 35805.99 35583.72

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(34060.2, 34551.1, 35074.4, 35197.5, 35444.4,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> try(system("convert tmp/1j7t31321391510.ps tmp/1j7t31321391510.png",intern=TRUE))
character(0)
> try(system("convert tmp/2q2i41321391510.ps tmp/2q2i41321391510.png",intern=TRUE))
character(0)
> try(system("convert tmp/3yxee1321391510.ps tmp/3yxee1321391510.png",intern=TRUE))
character(0)
> try(system("convert tmp/4lhzt1321391510.ps tmp/4lhzt1321391510.png",intern=TRUE))
character(0)
> try(system("convert tmp/5g1na1321391510.ps tmp/5g1na1321391510.png",intern=TRUE))
character(0)
> try(system("convert tmp/6gaa61321391510.ps tmp/6gaa61321391510.png",intern=TRUE))
character(0)
> try(system("convert tmp/74qe41321391510.ps tmp/74qe41321391510.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  2.760   0.180   2.932