Summary statistics for d_4_hos_c2_40 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_40 | 78 247374.8 551136.2 40 3821441 by Jean Roth , jroth@nber.org , 21 Apr 2018