Summary statistics for g_c1thru4_23 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_23 | 5,119 4.57e+07 9.28e+07 -2.71e+07 1.34e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018