Summary statistics for a_c2_44 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_44 | 6,184 7888850 3.53e+07 -4095191 7.67e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018