Summary statistics for d4_sub2_c3_50 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~3_50 | 597 493982.8 669395.2 44 4920626 by Jean Roth , jroth@nber.org , 21 Apr 2018