Summary statistics for g_c1thru4_31 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_31 | 2,576 8.17e+07 3.26e+08 -1.98e+07 4.58e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018