Summary statistics for d4_sub1_c3_42 variable in hosp_rollup2552_96_2005 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_42 | 287 15041.94 77403.67 1 1187924 by Jean Roth , jroth@nber.org , 21 Apr 2018