Summary statistics for d_4_hos_c2_40 variable in hosp_rollup2552_96_2000 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_40 | 76 190345.1 365255.1 5 2233749 by Jean Roth , jroth@nber.org , 8 Sep 2018