Summary statistics for g_c1thru4_7 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_7 | 1,970 2465702 4013288 -4755703 4.46e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018