Provides commons descriptive statistics for a data frame split on some factor or combination of factors. Essentially a wrapper for varDescribe() and by().
list of one or more factors from data frame
An object of class "by", giving the results from varDescribe() applied to each subset.
John J. Curtin [email protected]
##NOT RUN ##varDescribeBy(Adler,list(Adler$expectation,Adler$instruction))
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