Summary statistics for e_a_hos_c1_30 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c~30 | 3,176 .0904894 .0806186 .0001 1.979 by Jean Roth , jroth@nber.org , 24 Aug 2018