Summary statistics for l_1_hos_c1_4 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- l_1_hos_c1_4 | 425 89.86515 134.0998 .01 807.55 by Jean Roth , jroth@nber.org , 24 Aug 2018