Summary statistics for d_4_hos_c8_56 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~8_56 | 79 2999481 3052818 37246 1.44e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018