Summary statistics for g_c1thru4_21 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_21 | 300 1008951 6159841 -1.96e+07 9.13e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018