Summary statistics for e_a_hos_c1_3501 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_h~1_3501 | 2,053 .0002598 .000414 1.00e-09 .0037262 by Jean Roth , jroth@nber.org , 24 Aug 2018