I have found this web page useful http://www.cms.murdoch.edu.au/areas/maths/statsnotes/samplestats/qqplot.html
Your mileage may vary. Keith J "Matevz Pavlic" <[email protected]> wrote in message news:[email protected]... > Hi all, > > > > I am trying to test wheater the distribution of my samples is normal with > QQ plot. > > > > I have a values of water content in clays in around few hundred samples. > Is the code : > > > > qqnorm(w) #w being water content > > qqline(w) > > > > > > sufficient? > > > > How do I know when I get the plots which distribution is normal and which > is not? > > > > Thanks, m > > > [[alternative HTML version deleted]] > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
