[R] a function

David Winsemius dwinsemius at comcast.net
Fri Feb 5 23:02:10 CET 2010

On Feb 5, 2010, at 3:33 PM, li li wrote:

> Dear all,
>   I need to write the following function in R. Can anyone give me some
> hint?
> Thank you!  Please see the attachment for the function.
>     Hannah
> <question to R-heip.pdf>______________________________________________

A three argument function with two instances of sapply and the  
function choose should get you there pretty quickly.


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> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT

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