Summary statistics for g_c1thru4_13 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_13 | 3,940 3566791 1.47e+07 -3735434 5.34e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018