R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(517,525,523,519,509,512,519,517,510,509,501,507,569,580,578,565,547,555,562,561,555,544,537,543,594,611,613,611,594,595,591,589,584,573,567,569,621,629,628,612,595,597,593,590,580,574,573,573,620,626,620,588,566,557,561,549,532,526,511,499,555,565,542,527,510,514,517,508,493,490,469,478)
> par1 = '12'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: Wessa P., (2007), Mean Plot (v1.0.1) 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
> #Technical description: Write here your technical program description
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 72
> (np <- floor(n / par1))
[1] 6
> arr <- array(NA,dim=c(par1,np+1))
> ari <- array(0,dim=par1)
> j <- 0
> for (i in 1:n)
+ {
+ j = j + 1
+ ari[j] = ari[j] + 1
+ arr[j,ari[j]] <- x[i]
+ if (j == par1) j = 0
+ }
> ari
 [1] 6 6 6 6 6 6 6 6 6 6 6 6
> arr
      [,1] [,2] [,3] [,4] [,5] [,6] [,7]
 [1,]  517  569  594  621  620  555   NA
 [2,]  525  580  611  629  626  565   NA
 [3,]  523  578  613  628  620  542   NA
 [4,]  519  565  611  612  588  527   NA
 [5,]  509  547  594  595  566  510   NA
 [6,]  512  555  595  597  557  514   NA
 [7,]  519  562  591  593  561  517   NA
 [8,]  517  561  589  590  549  508   NA
 [9,]  510  555  584  580  532  493   NA
[10,]  509  544  573  574  526  490   NA
[11,]  501  537  567  573  511  469   NA
[12,]  507  543  569  573  499  478   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/1slil1225541260.ps",horizontal=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/html/rcomp/tmp/218cn1225541260.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/3uv9d1225541260.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/4vprv1225541260.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='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries'))
$stats
      [,1]  [,2]  [,3]  [,4]  [,5] [,6]  [,7] [,8]  [,9] [,10] [,11] [,12]
[1,] 517.0 525.0 523.0 519.0 509.0  512 517.0  508 493.0   490   469   478
[2,] 555.0 565.0 542.0 527.0 510.0  514 519.0  517 510.0   509   501   499
[3,] 581.5 595.5 595.5 576.5 556.5  556 561.5  555 543.5   535   524   525
[4,] 620.0 626.0 620.0 611.0 594.0  595 591.0  589 580.0   573   567   569
[5,] 621.0 629.0 628.0 612.0 595.0  597 593.0  590 584.0   574   573   573

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

$conf
         [,1]    [,2]     [,3]     [,4]     [,5]     [,6]     [,7]     [,8]
[1,] 539.5729 556.153 545.1875 522.3173 502.3173 503.7524 515.0577 508.5577
[2,] 623.4271 634.847 645.8125 630.6827 610.6827 608.2476 607.9423 601.4423
         [,9]    [,10]    [,11]    [,12]
[1,] 498.3477 493.7179 481.4279 479.8477
[2,] 588.6523 576.2821 566.5721 570.1523

$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(517, 555, 581.5, 620, 621, 525, 565, 595.5,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5gvlw1225541260.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='Value',main='Notched Box Plots - Sequential Blocks'))
$stats
      [,1]  [,2]  [,3]  [,4] [,5]  [,6] [,7]
[1,] 501.0 537.0 567.0 573.0  499 469.0   NA
[2,] 509.0 545.5 578.5 577.0  529 491.5   NA
[3,] 514.5 558.0 592.5 594.0  559 512.0   NA
[4,] 519.0 567.0 603.0 616.5  604 534.5   NA
[5,] 525.0 580.0 613.0 629.0  626 565.0   NA

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

$conf
         [,1]     [,2]     [,3]     [,4]    [,5]     [,6] [,7]
[1,] 509.9389 548.1937 581.3254 575.9838 524.792 492.3874   NA
[2,] 519.0611 567.8063 603.6746 612.0162 593.208 531.6126   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(501, 509, 514.5, 519, 525, 537, 545.5, 558,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/68bhp1225541260.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,] 526.3333 524.00 531.5000
[2,] 539.1667 539.25 542.0625
[3,] 554.2500 556.25 554.1875
[4,] 574.8333 579.00 577.7500
[5,] 589.3333 595.50 595.5000

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 537.9822 538.1198 537.9102
[2,] 570.5178 574.3802 570.4648

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(526.333333333333, 539.166666666667, 554.25,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1slil1225541260.ps tmp/1slil1225541260.png")
> system("convert tmp/218cn1225541260.ps tmp/218cn1225541260.png")
> system("convert tmp/3uv9d1225541260.ps tmp/3uv9d1225541260.png")
> system("convert tmp/4vprv1225541260.ps tmp/4vprv1225541260.png")
> system("convert tmp/5gvlw1225541260.ps tmp/5gvlw1225541260.png")
> system("convert tmp/68bhp1225541260.ps tmp/68bhp1225541260.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.259   0.799   1.577