Summary statistics for g_c1thru4_31 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_31 | 2,559 7.88e+07 3.09e+08 -4.38e+08 4.59e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018