Summary statistics for d4_sub2_c2_49 variable in hosp_rollup2552_96_2007 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_49 | 599 139568.5 223718.7 18 2300204 by Jean Roth , jroth@nber.org , 21 Apr 2018