32 Tabulating (1) tab x1 x2 if x4==0, sum(x3) –gives the means of x3 for each cell of the x1 vs x2 crosstabulation for observations where x4=0 tab x1 x2, missing –Includes the missing values tab x1 x2, nolabel –Uses numeric codes instead of labels –Eg 1 instead of NorthWest etc
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