Summary statistics for g_c1thru4_33 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_33 | 327 2.18e+07 1.05e+08 -2.43e+08 1.06e+09 by Jean Roth , jroth@nber.org , 23 Aug 2018