Summary statistics for l_1_hos_c1_9 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- l_1_hos_c1_9 | 1,811 .3419005 .1883142 .0001 1.2059 by Jean Roth , jroth@nber.org , 24 Aug 2018