Frequencies for first 10,000 rows of timemdfl variable in namcs1993 dataset : was time | spent with | physician | imputed? | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,940 89.40 89.40 1 | 1,060 10.60 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016