Summary statistics for e_a_hos_c1_18 variable in hosp_rollup2552_96_2011 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c~18 | 18 4950655 3884542 34504 1.31e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018