Summary statistics for s3_1_c6_18 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c6_18 | 2,253 20344.82 31578.33 2 503547 by Jean Roth , jroth@nber.org , 8 Sep 2018