Summary statistics for b_1_c0_68 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_68 | 84 1839630 5157032 -502342 3.42e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018