Summary statistics for b_1_c27_29 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_29 | 204 5326829 5400082 -1194 4.92e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018