Hi Google "boxplot" see Wikipedia
The boxplot was invented in 1977 by American statistician John Tukey. John W. Tukey. "Exploratory Data Analysis". Addison-Wesley, Reading, MA. 1977 So you shall probably look there. HTH Petr On 14 Feb 2007 at 16:35, Vikas Rawal wrote: Date sent: Wed, 14 Feb 2007 16:35:43 +0530 From: Vikas Rawal <[EMAIL PROTECTED]> To: r-help@stat.math.ethz.ch Copies to: Prof Brian Ripley <[EMAIL PROTECTED]> Subject: Re: [R] Boxplot: quartiles/outliers > > > I am not sure why you would want to do this, and a 'box and whiskers > > plot' was pretty closely defined by the original authors so R does > > not allow options for forms they did not consider. > > I was wondering who the original authors were? Would be interested in > looking up their description. > > VR > > ______________________________________________ > R-help@stat.math.ethz.ch 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. Petr Pikal [EMAIL PROTECTED] ______________________________________________ R-help@stat.math.ethz.ch 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.