convert data frame: two variables into _one_ binary variable

Mon, Nov 25, 2013 11:26 AM

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Liviu Andronic convert data frame: two variables into _one_ binary variable Nov 25 arun convert data frame: two variables into _one_ binary variable Nov 25 Carl Witthoft convert data frame: two variables into _one_ binary variable Nov 25 David L Carlson convert data frame: two variables into _one_ binary variable Nov 25 Thomas Stewart convert data frame: two variables into _one_ binary variable Nov 25 Liviu Andronic convert data frame: two variables into _one_ binary variable Nov 26