Summary statistics for e_a_hos_c2_3501 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c2~1 | 2,143 .0128722 .5832415 1.00e-09 27 by Jean Roth , jroth@nber.org , 23 Aug 2018