Frequencies for first 10,000 rows of age_cod variable in demo2018q2 dataset : Unit | abbreviatio | n for | patient's | age | Freq. Percent Cum. ------------+----------------------------------- | 2,614 26.14 26.14 DEC | 15 0.15 26.29 DY | 94 0.94 27.23 HR | 1 0.01 27.24 MON | 51 0.51 27.75 YR | 7,225 72.25 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 8 Sep 2018