Summary statistics for a8_c2_14 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_14 | 3,711 338236.7 4936927 -2.85e+07 9.02e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018