Summary statistics for g_c1thru4_41 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_41 | 756 2772757 9045822 -1.53e+07 9.58e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018