Summary statistics for d4_sub1_c2_48 variable in hosp_rollup2552_96_2003 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_48 | 311 25010.39 87609.77 5 1015021 by Jean Roth , jroth@nber.org , 21 Apr 2018