On Jul 16, 2011, at 10:21 AM, B Jessop wrote:
Dear Help-list, I have a dataframe containing 6 variables, 4 of
which are factors, 2 numeric. I want to create another factor
variable (SitePos) by combining 2 existing factors (Site and
Position). I have tried a number of approaches based on
Dear Help-list, I have a dataframe containing 6 variables, 4 of which are
factors, 2 numeric. I want to create another factor variable (SitePos) by
combining 2 existing factors (Site and Position). I have tried a number of
approaches based on trolling the R FAQs, various R webpages, etc.,
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