Summary statistics for d4_hos_c3_39 variable in hosp_rollup2552_96_1996 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c3_39 | 1,979 14523.56 178604.5 -292 6643002 by Jean Roth , jroth@nber.org , 3 Sep 2018