Summary statistics for e4_c1_37 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e4_c1_37 | 1,291 6.36e+07 6.72e+07 3227 6.85e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018