R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(8027.7,8059.6,8059.5,7988.9,7950.2,8003.8,8037.5,8069,8157.6,8244.3,8329.4,8417,8432.5,8486.4,8531.1,8643.8,8727.9,8847.3,8904.3,9003.2,9025.3,9044.7,9120.7,9184.3,9247.2,9407.1,9488.9,9592.5,9666.2,9809.6,9932.7,10008.9,10103.4,10194.3,10328.8,10507.6,10601.2,10684,10819.9,11014.3,11043,11258.5,11267.9,11334.5,11297.2,11371.3,11340.1,11380.1,11477.9,11538.8,11596.4,11598.8,11645.8,11738.7,11935.5,12042.8,12127.6,12213.8,12303.5,12410.3,12534.1,12587.5,12683.2,12748.7,12915.9,12962.5,12965.9,13060.7,13099.9,13204,13321.1,13391.2,13366.9,13415.3,13324.6,13141.9,12925.4,12901.5,12973,13155)
> par4 = 'Unknown'
> par3 = 'FALSE'
> par2 = 'grey'
> par1 = '30'
> xlab = 'aantal gegevens'
> main = 'Histogram BBP USA'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> par1 <- as.numeric(par1)
> if (par3 == 'TRUE') par3 <- TRUE
> if (par3 == 'FALSE') par3 <- FALSE
> if (par4 == 'Unknown') par1 <- as.numeric(par1)
> if (par4 == 'Interval/Ratio') par1 <- as.numeric(par1)
> if (par4 == '3-point Likert') par1 <- c(1:3 - 0.5, 3.5)
> if (par4 == '4-point Likert') par1 <- c(1:4 - 0.5, 4.5)
> if (par4 == '5-point Likert') par1 <- c(1:5 - 0.5, 5.5)
> if (par4 == '6-point Likert') par1 <- c(1:6 - 0.5, 6.5)
> if (par4 == '7-point Likert') par1 <- c(1:7 - 0.5, 7.5)
> if (par4 == '8-point Likert') par1 <- c(1:8 - 0.5, 8.5)
> if (par4 == '9-point Likert') par1 <- c(1:9 - 0.5, 9.5)
> if (par4 == '10-point Likert') par1 <- c(1:10 - 0.5, 10.5)
> postscript(file="/var/www/html/rcomp/tmp/13yty1266855047.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> if (is.na(par1)) {
+ myhist<-hist(x,col=par2,main=main,xlab=xlab,right=par3)
+ } else {
+ if (par1 < 0) par1 <- 3
+ if (par1 > 50) par1 <- 50
+ myhist<-hist(x,breaks=par1,col=par2,main=main,xlab=xlab,right=par3)
+ }
> dev.off()
null device 
          1 
> myhist
$breaks
 [1]  7800  8000  8200  8400  8600  8800  9000  9200  9400  9600  9800 10000
[13] 10200 10400 10600 10800 11000 11200 11400 11600 11800 12000 12200 12400
[25] 12600 12800 13000 13200 13400 13600

$counts
 [1] 2 7 2 4 2 2 5 1 3 1 2 3 1 1 2 1 2 7 4 2 1 2 2 3 2 6 4 5 1

$intensities
 [1] 1.250000e-04 4.375000e-04 1.250000e-04 2.500000e-04 1.250000e-04
 [6] 1.250000e-04 3.125000e-04 6.250000e-05 1.875000e-04 6.250000e-05
[11] 1.250000e-04 1.875000e-04 6.250000e-05 6.250000e-05 1.250000e-04
[16] 6.250000e-05 1.250000e-04 4.375000e-04 2.500000e-04 1.250000e-04
[21] 6.250000e-05 1.250000e-04 1.250000e-04 1.875000e-04 1.250000e-04
[26] 3.750000e-04 2.500000e-04 3.125000e-04 6.249999e-05

$density
 [1] 1.250000e-04 4.375000e-04 1.250000e-04 2.500000e-04 1.250000e-04
 [6] 1.250000e-04 3.125000e-04 6.250000e-05 1.875000e-04 6.250000e-05
[11] 1.250000e-04 1.875000e-04 6.250000e-05 6.250000e-05 1.250000e-04
[16] 6.250000e-05 1.250000e-04 4.375000e-04 2.500000e-04 1.250000e-04
[21] 6.250000e-05 1.250000e-04 1.250000e-04 1.875000e-04 1.250000e-04
[26] 3.750000e-04 2.500000e-04 3.125000e-04 6.249999e-05

$mids
 [1]  7900  8100  8300  8500  8700  8900  9100  9300  9500  9700  9900 10100
[13] 10300 10500 10700 10900 11100 11300 11500 11700 11900 12100 12300 12500
[25] 12700 12900 13100 13300 13500

$xname
[1] "x"

$equidist
[1] TRUE

attr(,"class")
[1] "histogram"
> n <- length(x)
> 
> #Note: the /var/www/html/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,hyperlink('http://www.xycoon.com/histogram.htm','Frequency Table (Histogram)',''),6,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Bins',header=TRUE)
> a<-table.element(a,'Midpoint',header=TRUE)
> a<-table.element(a,'Abs. Frequency',header=TRUE)
> a<-table.element(a,'Rel. Frequency',header=TRUE)
> a<-table.element(a,'Cumul. Rel. Freq.',header=TRUE)
> a<-table.element(a,'Density',header=TRUE)
> a<-table.row.end(a)
> crf <- 0
> if (par3 == FALSE) mybracket <- '[' else mybracket <- ']'
> mynumrows <- (length(myhist$breaks)-1)
> for (i in 1:mynumrows) {
+ a<-table.row.start(a)
+ if (i == 1)
+ dum <- paste('[',myhist$breaks[i],sep='')
+ else
+ dum <- paste(mybracket,myhist$breaks[i],sep='')
+ dum <- paste(dum,myhist$breaks[i+1],sep=',')
+ if (i==mynumrows)
+ dum <- paste(dum,']',sep='')
+ else
+ dum <- paste(dum,mybracket,sep='')
+ a<-table.element(a,dum,header=TRUE)
+ a<-table.element(a,myhist$mids[i])
+ a<-table.element(a,myhist$counts[i])
+ rf <- myhist$counts[i]/n
+ crf <- crf + rf
+ a<-table.element(a,round(rf,6))
+ a<-table.element(a,round(crf,6))
+ a<-table.element(a,round(myhist$density[i],6))
+ a<-table.row.end(a)
+ }
> a<-table.end(a)
> table.save(a,file="/var/www/html/rcomp/tmp/23jqt1266855047.tab") 
> 
> try(system("convert tmp/13yty1266855047.ps tmp/13yty1266855047.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.396   0.167   0.508