Summary statistics for g2_c1_30 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c1_30 | 1,346 1.17e+07 3.50e+07 -7406653 7.47e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018