Summary statistics for d4_sub1_c2_40 variable in hosp_rollup2552_96_1999 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_40 | 966 18070.08 170875.4 2 5141242 by Jean Roth , jroth@nber.org , 7 Sep 2018