Summary statistics for e_a_hos_c1_31 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_a_hos_c~31 | 1,064 .2321198 .1237132 .0001 .6983 by Jean Roth , jroth@nber.org , 24 Aug 2018