Summary statistics for d_4_hos_c2_39 variable in hosp_rollup2552_96_2006 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_39 | 167 76674.83 236458.2 3 2805997 by Jean Roth , jroth@nber.org , 21 Apr 2018