Summary statistics for d4_sub1_c2_50 variable in hosp_rollup2552_96_1998 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_50 | 1,806 275300.6 648098.4 7 1.02e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018