Summary statistics for d4_sub1_c3_63 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_63 | 178 22782.23 94300.12 2 1126463 by Jean Roth , jroth@nber.org , 5 Sep 2018