Summary statistics for g_c1thru4_13 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_13 | 3,885 3245091 1.64e+07 -1186588 6.93e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018