Frequencies for first 10,000 rows of cardiovasculardisordersandchr variable in snp2019 dataset : Cardiovascu | lar | Disorders | and Chronic | Heart | Failure | Freq. Percent Cum. ------------+----------------------------------- | 9,993 99.93 99.93 * | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019