Frequencies for first 10,000 rows of emropd variable in nhamcsopd2008 dataset : does outpatient dept use | electronic medical records? | Freq. Percent Cum. ---------------------------------+----------------------------------- unknown | 396 3.96 3.96 yes, all electronic | 1,427 14.27 18.23 yes, part paper, part electronic | 3,952 39.52 57.75 no | 4,225 42.25 100.00 ---------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016