How to use tapply with more than one variables grouped
You're posting on Nabble, so we don't see earlier messages in the thread here. -- Bert
On Tue, Oct 23, 2012 at 11:36 AM, noobmin <pseudovoid at hotmail.com> wrote:
The criteria is to list where Obama has a higher number of contributions. The table shows the number of contribution that each presidential candidate received in a state of the country. The table shown is an example, the query should be generic to a database with hundreds of candidates and dozens of states of the country. The original base has 450 mb, in real database I'm don't know how many contry states Obama has more donations, but in sample is in CA and NA. Michelle wins more contribution on AR.... Thanks -- View this message in context: http://r.789695.n4.nabble.com/How-to-use-tapply-with-more-than-one-variables-grouped-tp4646948p4647196.html Sent from the R help mailing list archive at Nabble.com.
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Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm