Summary statistics for d_4_hos_c2_42 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_42 | 85 243272.7 663772.2 1 4127864 by Jean Roth , jroth@nber.org , 21 Apr 2018