Summary statistics for d4_sub1_c2_56 variable in hosp_rollup2552_96_2003 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_56 | 1,762 561543.9 725653.5 7 8814382 by Jean Roth , jroth@nber.org , 21 Apr 2018