complex splits
On Thu, Aug 15, 2002 at 02:30:08PM -1000, Pierre Kleiber wrote:
split(d$splitcol,paste(d$col1,d$col2)) will give you vectors as elements of a list based on possible combinations of col1 and col2. Is that what you're after?
No, when I try this I only get two groups based on d$col1. What I'm looking for is a split on d$col1 (producing two groups) and a subsequent split on d$col2 for a total of four groups. Then I'll do frequencies of those four groups. -Tim
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