Frequencies for first 10,000 rows of mednurse variable in namcs2001 dataset : medical/nur | sing asst | seen | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,271 82.71 82.71 1 | 1,729 17.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016