Frequencies for first 10,000 rows of minsamp variable in morg94 dataset : Month in | sample (4 & | 8 are | departing) | Freq. Percent Cum. ------------+----------------------------------- MIS 4 | 5,013 50.13 50.13 MIS 8 | 4,987 49.87 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Mar 2017