Summary statistics for l_1_hos_c1_10 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- l_1_hos_c~10 | 1,832 .070623 .1055962 .0001 4.2252 by Jean Roth , jroth@nber.org , 24 Aug 2018