Summary statistics for a8_c2_5 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_5 | 1,434 -165567.7 762532.6 -1.18e+07 145918 by Jean Roth , jroth@nber.org , 6 Sep 2018