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(3,5,6,7,4,7,6,2,4,4,5,5,5,4,7,7,4,7,5,5,5,7,3,3,6,5,6,4,4,6,5,7,5,7,4,6,6,7,7,3,7,5,6,5,4,6,7,7,4,1,3,2,3,6,1,1,3,2,5,3,2,4,3,6,2,1,1,1,2,1,1,1,1,1,1,3,1,2,1,1,4,5,2,5,4,6,7,6,4,6,7,3,4,6,2,7,5,7,7,6,5,7,7,5,7,7,7,4,5,6,5,7,6,7,7,7,6,7,7,5,6,6,6,3,5,6,7,7,5,4,2,5,5,6,5,3,5,4,4,3,5,5,5,7,6,7,7,7,6,7,7,5,7,2,7,5,5,6,6,7,2,1,1,2,3,6,2,1,4,1,4,3,1,5,3,6,2,1,1,1,3,1,1,1,1,1,1,3,1,2,1,1,4,4,6,5,4,6,7,5,4,5,6,4,1,5,4,7,5,1,6,4,5,5,1,3,3,4,6,3,6,3,4,7,6,5,7,6,6,7,7,5,7,4,5,7,7,4,4,6,5,7,4,6,6,6,6,4,6,5,6,4,6,5,5,7,4,7,7,7,6,7,7,5,7,2,6,4,5,6,6,7,2,1,1,5,3,6,1,1,3,2,4,3,1,3,3,6,2,1,1,1,2,1,1,1,1,1,1,3,1,2,1,1,5,4,5,6,5,7,5,3,5,4,6,4,3,6,5,7,5,4,5,2,5,4,6,4,2,5,5,4,5,6,2,7,6,6,7,7,6,7,7,4,7,6,6,5,7,5,5,7,5,7,6,6,5,7,6,4,6,6,6,4,5,6,5,7,5,7,6,7,5,7,6,6,7,2,6,6,6,6,6,7,3,1,5,4,2,6,1,2,3,4,4,3,3,4,5,6,2,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,5,4,6,4,4,6,7,5,3,4,6,4,4,4,4,7,6,7,7,5,5,6,7,5,5,6,7,4,6,6,5,7)
> par2 = '0'
> par1 = '8'
> ylab = 'density'
> xlab = 'value of data series (vrouwen)'
> main = 'Histogram and Fitted Normal Density'
> #'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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> library(MASS)
> par1 <- as.numeric(par1)
> if (par2 == '0') par2 = 'Sturges' else par2 <- as.numeric(par2)
> x <- as.ts(x) #otherwise the fitdistr function does not work properly
> r <- fitdistr(x,'normal')
> r
      mean          sd    
  4.45982143   2.03390721 
 (0.09609308) (0.06794807)
> postscript(file="/var/www/html/rcomp/tmp/1hz771287236893.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> myhist<-hist(x,col=par1,breaks=par2,main=main,ylab=ylab,xlab=xlab,freq=F)
> curve(1/(r$estimate[2]*sqrt(2*pi))*exp(-1/2*((x-r$estimate[1])/r$estimate[2])^2),min(x),max(x),add=T)
> dev.off()
null device 
          1 
> 
> #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,'Parameter',1,TRUE)
> a<-table.element(a,'Estimated Value',1,TRUE)
> a<-table.element(a,'Standard Deviation',1,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'mean',header=TRUE)
> a<-table.element(a,r$estimate[1])
> a<-table.element(a,r$sd[1])
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'standard deviation',header=TRUE)
> a<-table.element(a,r$estimate[2])
> a<-table.element(a,r$sd[2])
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/www/html/rcomp/tmp/2ki5d1287236893.tab") 
> try(system("convert tmp/1hz771287236893.ps tmp/1hz771287236893.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.400   0.159   0.482