Summary statistics for b_1_c0_4 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 3,604 4014223 7167401 -155027 1.18e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018