Frequencies for first 10,000 rows of ma_mhmoeye variable in mcbsatc2013 dataset Medicare | Advantage | plan cover | eye exams | Freq. Percent Cum. ------------+----------------------------------- -8 | 228 2.28 2.28 -7 | 1 0.01 2.29 1 | 1,629 16.29 18.58 2 | 1,039 10.39 28.97 . | 7,103 71.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 24 May 2016