Summary statistics for g2_c2_28 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_28 | 5,497 2.23e+08 3.83e+08 -22 8.64e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018