Summary statistics for d4_hos_c2_42 variable in hosp_rollup2552_96_2009 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c2_42 | 1,085 891215.4 2086198 26 2.55e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018