Summary statistics for l_1_hos_c1_9 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- l_1_hos_c1_9 | 1,842 .3188326 .1884245 .0001 1.1796 by Jean Roth , jroth@nber.org , 24 Aug 2018