Summary statistics for g_c1thru4_21 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_21 | 890 1501577 2.40e+07 -859108 7.12e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018