R version 2.8.1 (2008-12-22)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(100,100,93.5483871,88.17204301,89.24731183,91.39784946,92.47311828,91.39784946,88.17204301,87.09677419,84.94623656,92.47311828,93.5483871,93.5483871,91.39784946,90.32258065,91.39784946,93.5483871,93.5483871,92.47311828,91.39784946,89.24731183,86.02150538,88.17204301,87.09677419,87.09677419,86.02150538,84.94623656,84.94623656,86.02150538,86.02150538,84.94623656,86.02150538,82.79569892,77.41935484,80.64516129,78.49462366,75.2688172,75.2688172,75.2688172,77.41935484,78.49462366,76.34408602,73.11827957,68.8172043,65.59139785,69.89247312,82.79569892,84.94623656,80.64516129,74.19354839,70.96774194,74.19354839,82.79569892,86.02150538,86.02150538,82.79569892,78.49462366,79.56989247,87.09677419)
> par2 = '0'
> par1 = '8'
> ylab = 'density'
> xlab = 'value of data series'
> 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$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> library(MASS)
> par1 <- as.numeric(par1)
> if (par2 == '0') par2 = 'Sturges' else par2 <- as.numeric(par2)
> x <- as.ts(x) #otherwise the fitdistr function does not work properly
> r <- fitdistr(x,'normal')
> r
      mean          sd    
  84.5340502    7.5501220 
 ( 0.9747166) ( 0.6892287)
> postscript(file="/var/www/rcomp/tmp/1s80e1257604309.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> myhist<-hist(x,col=par1,breaks=par2,main=main,ylab=ylab,xlab=xlab,freq=F)
> curve(1/(r$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/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/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/rcomp/tmp/2pnjm1257604309.tab") 
> 
> system("convert tmp/1s80e1257604309.ps tmp/1s80e1257604309.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.400   0.240   0.607