Re: [R] within()

From: David Winsemius <dwinsemius_at_comcast.net>
Date: Thu, 19 May 2011 11:21:08 -0400

On May 19, 2011, at 9:32 AM, Timothy Bates wrote:

>
> Likewise it would help reduce confusion when
> plot(~Source, data=Df) # works
> # but
> boxplot(~Source, data=Df)
> # Error in boxplot.formula(~Source, data = Df) :
> # 'formula' missing or incorrect
>
> The formula isnít missing or illformed, itís that boxplot requires
> formulae to have something on the left hand side.

It may not be "illformed" but the error message says instead that it is "incorrect". Read the help page for boxplot (which would be the first thing a right-thinking person would do upon getting such a message) and it clearly implies that there needs to be a LHS component. I would rather the R Core spend its time on other areas.

-- 

David Winsemius, MD
West Hartford, CT

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Received on Thu 19 May 2011 - 15:23:23 GMT

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