[R] Row percentages for a table object

[Chuck Cleland]

On 2/7/2008 2:03 PM, 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?

   See ?prop.table and also possibly ?CrossTable in the gmodels package.

> Tom
> 
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Chuck Cleland, Ph.D.
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