Summary statistics for l_1_hos_c1_9 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- l_1_hos_c1_9 | 673 .3478309 .2064478 .0078 1.0543 by Jean Roth , jroth@nber.org , 24 Aug 2018