Frequencies for first 10,000 rows of timemdfl variable in namcs1996 dataset : was time | spent with | physician | imputed? | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,991 99.91 99.91 1 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016