Summary statistics for e4_c1_35 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e4_c1_35 | 29 1.88e+07 4.67e+07 469 2.36e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018