Summary statistics for s3_1_c6_18 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c6_18 | 2,329 23245.8 35982.8 1 579529 by Jean Roth , jroth@nber.org , 7 Sep 2018