Summary statistics for a_c2_16 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_16 | 4,111 5688876 1.16e+07 -7957291 2.88e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018