Frequencies for first 10,000 rows of rn_drctr_cntrct_cnt variable in pos2010 dataset : RN DIRECTOR | OF NURSING | - CONTRACT | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,991 99.91 99.91 .03 | 1 0.01 99.92 .19 | 1 0.01 99.93 .23 | 1 0.01 99.94 .57 | 1 0.01 99.95 .8 | 1 0.01 99.96 1.14 | 3 0.03 99.99 1.36 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017