search for: flockerzi

Displaying 1 result from an estimated 1 matches for "flockerzi".

2008 Sep 02
3
ftables package, zero rows
dear all, i'm just about to do some straightforward contingency tables using ftables (and ctab() for percents). the problem: factor "a" are regions, factor "b" are subregions. every region "a" consists of some subregions "b", but obviously not every subregion "b" is part of every region "a". if i use the ftable() function, the