Summary statistics for g_c1thru4_39 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_39 | 2,323 1235610 5462173 -5000726 1.40e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018