Re: [R] Row percentages for a table object

From: Gerrit Eichner <Gerrit.Eichner_at_math.uni-giessen.de>
Date: Fri, 8 Feb 2008 11:42:23 +0100 (MET)

> 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.
>>
Maybe a look at

?prop.table

and/or

?addmargins

could help you.

  Regards -- Gerrit


AR Dr. Gerrit Eichner                          Mathematical Institute
gerrit.eichner_at_math.uni-giessen.de   Justus-Liebig-University Giessen
Tel: +49-(0)641-99-32104          Arndtstr. 2, 35392 Giessen, Germany
Fax: +49-(0)641-99-32029               http://www.math.uni-giessen.de

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