[R] Row percentages for a table object
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Thu Feb 7 20:08:42 CET 2008
Tom Backer Johnsen wrote:
> I an stumbling on something that is probably very simple, but I cannot
> see the solution. I have an object generated by the table () function
> and want to recompute this table so each cell represents the
> percentage of the corresponding row sum.
>
> Of course a dedicated function can be written (which I have done),
> containing the necessary loops etc., but there should be a simpler
> way. I'd prefer something simple and as transparent as possible since
> it is for use in a text I am writing for my students. I have fiddled
> around with the apply () function but have so far been unable to find
> something that works.
>
> Any suggestions?
>
>
prop.table (which is really just a wrapper for apply & sweep)
> Tom
>
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--
O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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