Summary statistics for b_1_c27_27 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_27 | 731 5651525 4722700 -6834 3.23e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018