R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

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> x <- c(58,53,59,166,51,64,52,65,62,61,61,54,50,63,58,39,71,52,68,56,54,63,54,54,75,56,78,60,64,64,52,62,55,56,50,50,63,61,53,60,56,53,57,57,56,56,50,52,55,47,45,62,53,52,57,64,59,55,76,62,68,55,45,68,44,62,56,50,53,64,52,53,54,64,55,55,59,70,57,47,47,48,57,51,54,53,59,59,63,66,53,63,56,60,58,50,59,51,62)
> par1 = '10'
> xlab = 'Survey Score'
> main = 'Maternal IQ'
> par1 <- '10'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Ian E. Holliday, 2012, Histogram,  QQplot and Density Plot (v1.0.1) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/Ian.Holliday/rwasp_Distributional Plots.wasp/
> #Source of accompanying publication: 
> #
> x <- x[!is.na(x)]
> postscript(file="/var/wessaorg/rcomp/tmp/1crk81338545448.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> par1 <- as.numeric(par1)
> myhist<-hist(x, breaks=par1, col=2, xlab=xlab, main=main)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/2f3rr1338545448.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> qqnorm(x)
> qqline(x, col=2)
> dev.off()
null device 
          1 
> postscript(file="/var/wessaorg/rcomp/tmp/3czad1338545448.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(density(x), xlab=xlab, main=main)
> dev.off()
null device 
          1 
> 
> #Note: the /var/wessaorg/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/wessaorg/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Descriptive Statistics',3,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'mean',header=TRUE)
> a<-table.element(a,signif(mean(x), 6))
> a<-table.element(a,hyperlink('http://www.xycoon.com/arithmetic_mean.htm','formula','click to see the formula'))
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'standard deviation',header=TRUE)
> a<-table.element(a,signif(sd(x), 6))
> a<-table.element(a,hyperlink('http://www.xycoon.com/unbiased1.htm','formula','click to see the formula'))
> a<-table.row.end(a)
> a<-table.end(a)
> table.save(a,file="/var/wessaorg/rcomp/tmp/463751338545448.tab") 
> 
> try(system("convert tmp/1crk81338545448.ps tmp/1crk81338545448.png",intern=TRUE))
character(0)
> try(system("convert tmp/2f3rr1338545448.ps tmp/2f3rr1338545448.png",intern=TRUE))
character(0)
> try(system("convert tmp/3czad1338545448.ps tmp/3czad1338545448.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.952   0.267   1.215