Summary statistics for b_1_c27_39 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_39 | 3,309 2239278 3195055 -12848 4.53e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018