Frequencies for first 10,000 rows of age_cod variable in demo2014q2 dataset : Unit | abbreviatio | n for | patient's | age | Freq. Percent Cum. ------------+----------------------------------- | 2,561 25.61 25.61 DEC | 7 0.07 25.68 DY | 80 0.80 26.48 HR | 3 0.03 26.51 MON | 74 0.74 27.25 WK | 5 0.05 27.30 YR | 7,270 72.70 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Apr 2017