Frequencies for first 10,000 rows of escrip variable in namcs2006 dataset : if yes, are | prescriptions | sent | electronically | ? | Freq. Percent Cum. ---------------+----------------------------------- yes | 1,418 14.18 14.18 no | 651 6.51 20.69 unknown | 12 0.12 20.81 turned off | 32 0.32 21.13 not applicable | 7,663 76.63 97.76 blank | 224 2.24 100.00 ---------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016