[R] Row percentages for a table object

[Peter Dalgaard]

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
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>   


-- 
   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