Frequencies for first 10,000 rows of statuscode variable in pos1988 dataset : Status Code | Freq. Percent Cum. ------------+----------------------------------- | 1 0.01 0.01 A | 501 5.01 5.02 C | 6,013 60.13 65.15 T | 3,485 34.85 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016