Summary statistics for b_1_c27_98 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_98 | 3,023 2730599 1.61e+07 -1244963 7.03e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018