Summary statistics for d4_sub1_c3_67 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_67 | 2 478031.5 674034.7 1417 954646 by Jean Roth , jroth@nber.org , 21 Apr 2018