Frequencies for first 10,000 rows of physn_cntrctr_sw variable in pos2018 dataset : Services: | Physician - | Independent | Contractor | Freq. Percent Cum. ------------+----------------------------------- | 9,855 98.55 98.55 N | 82 0.82 99.37 Y | 63 0.63 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019