Summary statistics for d4_sub1_c3_37 variable in hosp_rollup2552_96_2005 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_37 | 1,377 15902.54 63719.18 2 1462749 by Jean Roth , jroth@nber.org , 21 Apr 2018