Summary statistics for a8_c2_49 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_49 | 3,127 -2762591 1.26e+07 -2.35e+08 1.95e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018