Summary statistics for g_c1thru4_28 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_28 | 378 -6387366 2.33e+07 -3.01e+08 1.62e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018