Summary statistics for d_4_hos_c6_46 variable in hosp_rollup2552_96_2011 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_46 | 3 504055.7 700631.9 87257 1312950 by Jean Roth , jroth@nber.org , 20 Jan 2017