R version 2.8.0 (2008-10-20)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(492865,480961,461935,456608,441977,439148,488180,520564,501492,485025,464196,460170,467037,460070,447988,442867,436087,431328,484015,509673,512927,502831,470984,471067,476049,474605,470439,461251,454724,455626,516847,525192,522975,518585,509239,512238,519164,517009,509933,509127,500857,506971,569323,579714,577992,565464,547344,554788,562325,560854,555332,543599,536662,542722,593530,610763,612613,611324,594167,595454,590865,589379,584428,573100,567456,569028,620735,628884,628232,612117,595404,597141,593408,590072,579799)
> par1 = '12'
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 75
> (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] 7 7 7 6 6 6 6 6 6 6 6 6
> arr
        [,1]   [,2]   [,3]   [,4]   [,5]   [,6]   [,7]
 [1,] 492865 467037 476049 519164 562325 590865 593408
 [2,] 480961 460070 474605 517009 560854 589379 590072
 [3,] 461935 447988 470439 509933 555332 584428 579799
 [4,] 456608 442867 461251 509127 543599 573100     NA
 [5,] 441977 436087 454724 500857 536662 567456     NA
 [6,] 439148 431328 455626 506971 542722 569028     NA
 [7,] 488180 484015 516847 569323 593530 620735     NA
 [8,] 520564 509673 525192 579714 610763 628884     NA
 [9,] 501492 512927 522975 577992 612613 628232     NA
[10,] 485025 502831 518585 565464 611324 612117     NA
[11,] 464196 470984 509239 547344 594167 595404     NA
[12,] 460170 471067 512238 554788 595454 597141     NA
> darr
        [,1]   [,2]  [,3]   [,4]   [,5]   [,6]   [,7]
 [1,] -11904  -6967 -1444  -2155  -1471  -1486  -3336
 [2,] -19026 -12082 -4166  -7076  -5522  -4951 -10273
 [3,]  -5327  -5121 -9188   -806 -11733 -11328     NA
 [4,] -14631  -6780 -6527  -8270  -6937  -5644     NA
 [5,]  -2829  -4759   902   6114   6060   1572     NA
 [6,]  49032  52687 61221  62352  50808  51707     NA
 [7,]  32384  25658  8345  10391  17233   8149     NA
 [8,] -19072   3254 -2217  -1722   1850   -652     NA
 [9,] -16467 -10096 -4390 -12528  -1289 -16115     NA
[10,] -20829 -31847 -9346 -18120 -17157 -16713     NA
[11,]  -4026     83  2999   7444   1287   1737     NA
[12,]   6867   4982  6926   7537  -4589  -3733     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/html/rcomp/tmp/1hrep1229092528.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.mean,type='b',ylab='mean',main='Mean Plot',xlab='01/2000-03/2006')
> mtext(paste('#blocks = ',np))
> abline(overall.mean,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/2zags1229092528.ps",horizontal=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/html/rcomp/tmp/3wkv61229092528.ps",horizontal=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/html/rcomp/tmp/4uyyf1229092528.ps",horizontal=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='01/2000-03/2006',ylab='aantal werklozen',main='Notched Box Plots - Periodic Subseries'))
$stats
       [,1]     [,2]     [,3]   [,4]     [,5]     [,6]   [,7]   [,8]     [,9]
[1,] 467037 460070.0 447988.0 442867 436087.0 431328.0 484015 509673 501492.0
[2,] 484457 477783.0 466187.0 456608 441977.0 439148.0 488180 520564 512927.0
[3,] 519164 517009.0 509933.0 485189 477790.5 481298.5 543085 552453 550483.5
[4,] 576595 575116.5 567565.5 543599 536662.0 542722.0 593530 610763 612613.0
[5,] 593408 590072.0 584428.0 573100 567456.0 569028.0 620735 628884 628232.0
        [,10]    [,11]  [,12]
[1,] 485025.0 464196.0 460170
[2,] 502831.0 470984.0 471067
[3,] 542024.5 528291.5 533513
[4,] 611324.0 594167.0 595454
[5,] 612117.0 595404.0 597141

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

$conf
         [,1]   [,2]     [,3]   [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 464140.7 458883 449391.4 429077 416715.6 414489.9 475130.8 494271.7
[2,] 574187.3 575135 570474.6 541301 538865.4 548107.1 611039.2 610634.3
         [,9]  [,10]    [,11]    [,12]
[1,] 486182.8 472043 448834.5 453279.4
[2,] 614784.2 612006 607748.5 613746.6

$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(467037, 484457, 519164, 576595, 593408, 460070,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5ajud1229092528.ps",horizontal=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='01/2000-03/2006',ylab='aantal werklozen',main='Notched Box Plots - Differenced Periodic Subseries'))
$stats
        [,1]     [,2]     [,3]    [,4]  [,5]  [,6]  [,7]  [,8]   [,9]    [,10]
[1,] -6967.0 -19026.0 -11733.0 -8270.0 -4759 49032  8149 -2217 -16467 -20829.0
[2,] -5151.5 -11177.5 -11328.0 -8270.0 -2829 50808  8345 -2217 -16115 -20829.0
[3,] -2155.0  -7076.0  -7257.5 -6858.5  1237 52197 13812 -1187 -11312 -17638.5
[4,] -1478.5  -5236.5  -5121.0 -6527.0  6060 61221 25658  1850  -4390 -16713.0
[5,] -1444.0  -4166.0   -806.0 -5644.0  6114 62352 32384  3254  -1289 -16713.0
     [,11]   [,12]
[1,] -4026 -4589.0
[2,]    83 -3733.0
[3,]  1512  5924.5
[4,]  2999  6926.0
[5,]  2999  7537.0

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

$conf
            [,1]       [,2]       [,3]      [,4]      [,5]     [,6]      [,7]
[1,] -4348.45634 -10623.869 -11261.215 -7982.791 -4496.692 45480.28  2644.556
[2,]    38.45634  -3528.131  -3253.785 -5734.209  6970.692 58913.72 24979.444
          [,8]       [,9]     [,10]     [,11]      [,12]
[1,] -3810.346 -18875.004 -20293.45 -368.9142  -950.8993
[2,]  1436.346  -3748.996 -14983.55 3392.9142 12799.8993

$out
[1] -11904 -14631 -19072 -31847  -9346   7444

$group
[1]  1  4  8 10 10 11

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

Warning message:
In bxp(list(stats = c(-6967, -5151.5, -2155, -1478.5, -1444, -19026,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6atqk1229092528.ps",horizontal=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='aantal werklozen',main='Notched Box Plots - Sequential Blocks'))
$stats
         [,1]     [,2]   [,3]     [,4]     [,5]     [,6]     [,7]
[1,] 439148.0 431328.0 454724 500857.0 536662.0 567456.0 579799.0
[2,] 458389.0 445427.5 465845 509530.0 549465.5 578764.0 584935.5
[3,] 472578.5 469010.5 492644 533254.0 577927.5 593134.5 590072.0
[4,] 490522.5 493423.0 517716 567393.5 603108.5 616426.0 591740.0
[5,] 520564.0 512927.0 525192 579714.0 612613.0 628884.0 593408.0

$n
[1] 12 12 12 12 12 12  3

$conf
         [,1]     [,2]     [,3]     [,4]     [,5]     [,6]     [,7]
[1,] 457922.2 447119.4 468985.3 506862.1 553460.6 575956.6 583864.8
[2,] 487234.8 490901.6 516302.7 559645.9 602394.4 610312.4 596279.2

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(439148, 458389, 472578.5, 490522.5, 520564,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/77cv61229092528.ps",horizontal=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,] 489627.2 477790.5 486437.2
[2,] 506726.0 497561.0 506625.6
[3,] 529519.2 523727.8 531015.2
[4,] 547331.3 542554.8 547363.4
[5,] 562465.0 552453.0 562360.9

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 510998.9 503205.8 512434.5
[2,] 548039.6 544249.7 549596.0

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(489627.166666667, 506726.047619048, 529519.238095238,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1hrep1229092528.ps tmp/1hrep1229092528.png")
> system("convert tmp/2zags1229092528.ps tmp/2zags1229092528.png")
> system("convert tmp/3wkv61229092528.ps tmp/3wkv61229092528.png")
> system("convert tmp/4uyyf1229092528.ps tmp/4uyyf1229092528.png")
> system("convert tmp/5ajud1229092528.ps tmp/5ajud1229092528.png")
> system("convert tmp/6atqk1229092528.ps tmp/6atqk1229092528.png")
> system("convert tmp/77cv61229092528.ps tmp/77cv61229092528.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.210   0.943   1.485