Summary statistics for g_c1thru4_6 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_6 | 4,162 -2.79e+07 8.03e+07 -2.72e+09 7.35e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018