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(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)
> par20 = ''
> par19 = ''
> par18 = ''
> par17 = ''
> par16 = ''
> par15 = ''
> par14 = ''
> par13 = ''
> par12 = ''
> par11 = ''
> par10 = ''
> par9 = ''
> par8 = ''
> par7 = ''
> par6 = ''
> par5 = ''
> par4 = ''
> par3 = ''
> par2 = ''
> par1 = '12'
> ylab = ''
> xlab = ''
> main = ''
> #'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] 48
> (np <- floor(n / par1))
[1] 4
> 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] 4 4 4 4 4 4 4 4 4 4 4 4
> arr
      [,1] [,2] [,3] [,4] [,5]
 [1,]  562  591  593  561   NA
 [2,]  561  589  590  549   NA
 [3,]  555  584  580  532   NA
 [4,]  544  573  574  526   NA
 [5,]  537  567  573  511   NA
 [6,]  543  569  573  499   NA
 [7,]  594  621  620  555   NA
 [8,]  611  629  626  565   NA
 [9,]  613  628  620  542   NA
[10,]  611  612  588  527   NA
[11,]  594  595  566  510   NA
[12,]  595  597  557  514   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/freestat/rcomp/tmp/1hmpt1225757351.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/freestat/rcomp/tmp/2ktm41225757351.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/freestat/rcomp/tmp/3ecoe1225757351.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/freestat/rcomp/tmp/4okly1225757351.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,] 561.0 549.0 532.0 526.0  511  499 555.0 565.0 542.0 527.0 510.0 514.0
[2,] 561.5 555.0 543.5 535.0  524  521 574.5 588.0 577.5 557.5 538.0 535.5
[3,] 576.5 575.0 567.5 558.5  552  556 607.0 618.5 616.5 599.5 580.0 576.0
[4,] 592.0 589.5 582.0 573.5  570  571 620.5 627.5 624.0 611.5 594.5 596.0
[5,] 593.0 590.0 584.0 574.0  573  573 621.0 629.0 628.0 612.0 595.0 597.0

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

$conf
        [,1]    [,2]    [,3]    [,4]   [,5]  [,6]   [,7]    [,8]    [,9]  [,10]
[1,] 552.405 547.745 537.085 528.085 515.66 516.5 570.66 587.295 579.765 556.84
[2,] 600.595 602.255 597.915 588.915 588.34 595.5 643.34 649.705 653.235 642.16
       [,11]   [,12]
[1,] 535.365 528.205
[2,] 624.635 623.795

$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(561, 561.5, 576.5, 592, 593, 549, 555, 575,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/5iwzu1225757351.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]
[1,] 537.0 567.0 557.0 499.0   NA
[2,] 549.5 578.5 573.0 512.5   NA
[3,] 578.0 593.0 584.0 529.5   NA
[4,] 603.0 616.5 606.5 552.0   NA
[5,] 613.0 629.0 626.0 565.0   NA

$n
[1] 12 12 12 12  0

$conf
         [,1]    [,2]     [,3]     [,4] [,5]
[1,] 553.5983 575.668 568.7204 511.4838   NA
[2,] 602.4017 610.332 599.2796 547.5162   NA

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(537, 549.5, 578, 603, 613, 567, 578.5, 593,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/6ea3w1225757351.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,] 546.00 552.00 549.500
[2,] 558.50 563.00 560.750
[3,] 569.25 576.25 573.375
[4,] 591.00 603.25 597.125
[5,] 607.75 618.50 613.125

$n
[1] 12 12 12

$conf
         [,1]     [,2]     [,3]
[1,] 554.4265 557.8917 556.7841
[2,] 584.0735 594.6083 589.9659

$out
numeric(0)

$group
numeric(0)

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

Warning message:
In bxp(list(stats = c(546, 558.5, 569.25, 591, 607.75, 552, 563,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1hmpt1225757351.ps tmp/1hmpt1225757351.png")
> system("convert tmp/2ktm41225757351.ps tmp/2ktm41225757351.png")
> system("convert tmp/3ecoe1225757351.ps tmp/3ecoe1225757351.png")
> system("convert tmp/4okly1225757351.ps tmp/4okly1225757351.png")
> system("convert tmp/5iwzu1225757351.ps tmp/5iwzu1225757351.png")
> system("convert tmp/6ea3w1225757351.ps tmp/6ea3w1225757351.png")
> 
> 
> proc.time()
   user  system elapsed 
  1.927   1.260   2.124