Summary statistics for g_c1thru4_54 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_54 | 266 2.17e+07 7.76e+07 -9.30e+07 1.00e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018