Summary statistics for g_c1thru4_49 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_49 | 3,835 3.91e+07 1.36e+08 -1.87e+09 1.68e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018