Summary statistics for a8_c2_46 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_46 | 383 -177372.2 3535405 -1.92e+07 5.65e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018