Summary statistics for e_a_hos_c1_30 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c~30 | 3,234 .0953949 .267717 .0001 14.73 by Jean Roth , jroth@nber.org , 24 Aug 2018