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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'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
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> x <- c(159,158,155,158,165,160,165,165,171,170,168,165,168,160,153,165,161,170,165,160,159,158,173,158,163,169,160,163,161,155,171,163,159,161,150,158,163,175,163,170,165,160,160,161,160,165,153,163,160,160,173,160,150,164,165,163,171,165,163,175,163,153,169,155,163,158,148,160,168,160,163,176,171,155,165,158,170,165,160,152,160,165,160,160,158,171,155,168,165,155,160,160,168,166,155,165,158,161)
> par1 = '10'
> xlab = 'Survey Score'
> main = 'Maternal IQ'
> par1 <- '10'
> x <- x[!is.na(x)]
> postscript(file="/var/wessaorg/rcomp/tmp/1o1bm1338373248.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/2994j1338373248.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/317ud1338373248.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/4kisu1338373248.tab") 
> 
> try(system("convert tmp/1o1bm1338373248.ps tmp/1o1bm1338373248.png",intern=TRUE))
character(0)
> try(system("convert tmp/2994j1338373248.ps tmp/2994j1338373248.png",intern=TRUE))
character(0)
> try(system("convert tmp/317ud1338373248.ps tmp/317ud1338373248.png",intern=TRUE))
character(0)
> 
> 
> proc.time()
   user  system elapsed 
  0.963   0.264   1.223