Frequencies for first 10,000 rows of enotdise variable in nhamcsed2008 dataset : if yes, are | notifiable | diseases sent | electronically | ? | Freq. Percent Cum. ---------------+----------------------------------- blank | 70 0.70 0.70 unknown | 621 6.21 6.91 not applicable | 6,313 63.13 70.04 yes | 1,793 17.93 87.97 no | 1,109 11.09 99.06 turned off | 94 0.94 100.00 ---------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016