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(84,97,88,87,92,91,80,73,73,77,86,82,82,73,99,90,78,100,73,95,93,91,81,98,88,90,85,79,107,82,98,84,99,89,105,94,92,81,86,90,101,73,88,90,84,89,73,98,82,77,107,84,93,96,107,95,89,82,92,100,75,94,83,92,102,98,94,83,107,107,91,83,100,77,74,92,100,92,93,89,86,97,82,73,93,97,93,89,86,89,107,90,104,96,93,104,83,92,83,83,96,84,107)
> par1 = '15'
> xlab = 'Survey Score'
> main = 'Maternal IQ'
> postscript(file="/var/wessaorg/rcomp/tmp/1imtb1319374648.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/2lv3k1319374648.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/3knar1319374648.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/4geb21319374649.tab") 
> 
> try(system("convert tmp/1imtb1319374648.ps tmp/1imtb1319374648.png",intern=TRUE))
character(0)
> try(system("convert tmp/2lv3k1319374648.ps tmp/2lv3k1319374648.png",intern=TRUE))
character(0)
> try(system("convert tmp/3knar1319374648.ps tmp/3knar1319374648.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.995   0.180   1.197