Summary statistics for g2_c2_18 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_18 | 4,575 1.61e+08 2.76e+08 -3694 5.12e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018