Summary statistics for b_1_c0_18 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_18 | 3,383 577232 1048966 -44977 1.63e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018