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Re: Stratified data summaries

by David Freedman :: Rate this Message:

You might also want to look at the doBy package - one function is summaryBy:

summaryBY(var1 + var2 ~ patient_type, data=d, FUN=summary)

david freedman

Hayes, Rachel M wrote:

Hi All,

I'm trying to automate a data summary using summary or describe from the
HMisc package. I want to stratify my data set by patient_type. I was
hoping to do something like:

Describe(myDataFrame ~ patient_type)

I can create data subsets and run the describe function one at a time,
but there's got to be a better way. Any suggestions?

Rachel

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