Summary statistics for g2_c2_19 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_19 | 2,509 2783255 5168480 -1328138 1.05e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018