Frequencies for first 10,000 rows of demotype variable in planreport2008 dataset : Demo Type | Freq. Percent Cum. -------------------------------------+----------------------------------- | 9,988 99.88 99.88 ESRD I | 12 0.12 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 14 Apr 2016