Summary statistics for b_1_c0_97 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_97 | 607 1.07e+07 4.69e+07 -782 6.45e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018