Summary statistics for a8_c2_49 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_49 | 3,127 -1723532 1.19e+07 -2.01e+08 2.75e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018