Summary statistics for d4_sub1_c2_58 variable in hosp_rollup2552_96_1996 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_58 | 180 31493.53 171694.4 3 1663783 by Jean Roth , jroth@nber.org , 3 Sep 2018