Summary statistics for d4_sub1_c2_63 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_63 | 138 40270.7 161509.1 6 1427102 by Jean Roth , jroth@nber.org , 10 Sep 2018