Summary statistics for a8_c2_49 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_49 | 867 -2431135 1.15e+07 -1.26e+08 1.02e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018