Summary statistics for g_c1thru4_13 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_13 | 3,974 3573660 1.90e+07 -1.26e+07 6.96e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018