Summary statistics for d4_hos_c2_42 variable in hosp_rollup2552_96_2000 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c2_42 | 999 342711.5 2282096 5 6.69e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018