x <- c(4,5,3,4,5,3,7,5,6,3,2,4,5,2,3,6,4,4,6,2)
par1 = '10'
xlab = 'Ratings'
main = 'Hot curry, Smokers'
postscript(file="/var/fisher/rcomp/tmp/1yvqw1352382004.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()
postscript(file="/var/fisher/rcomp/tmp/2g02l1352382004.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
qqnorm(x)
qqline(x, col=2)
dev.off()
postscript(file="/var/fisher/rcomp/tmp/38fir1352382004.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
plot(density(x), xlab=xlab, main=main)
dev.off()

#Note: the /var/fisher/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
load(file="/var/fisher/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/fisher/rcomp/tmp/4dkkq1352382004.tab") 

try(system("convert tmp/1yvqw1352382004.ps tmp/1yvqw1352382004.png",intern=TRUE))
try(system("convert tmp/2g02l1352382004.ps tmp/2g02l1352382004.png",intern=TRUE))
try(system("convert tmp/38fir1352382004.ps tmp/38fir1352382004.png",intern=TRUE))