Summary statistics for e4_c1_44 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e4_c1_44 | 1,227 2.32e+07 2.83e+07 -95 3.31e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018