How to use tapply with more than one variables grouped
Hi
-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r- project.org] On Behalf Of noobmin Sent: Monday, October 22, 2012 12:31 PM To: r-help at r-project.org Subject: Re: [R] How to use tapply with more than one variables grouped interTable <-data.frame (Tapply ($ contb_receipt_amt date, list ($ cand_nm date, $ contbr_st date), sum)) I got create a table with the sum total contribution (contb_receipt_amt) of each presidential candidate (cand_nm) in each state (contbr_st). How could from interTable create a table of states where candidate 'Obama' has received greater Contribution?
Greater than what? How does the table look like? Sorry I forgot my crystal ball at home. Maybe you want to look to ?"]" Regards Petr
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