Summary statistics for d4_sub2_c2_56 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_56 | 602 863720.6 884901.4 2625 8579258 by Jean Roth , jroth@nber.org , 21 Apr 2018