Summary statistics for a_c6_6 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_6 | 3,984 -8276815 6.95e+07 -2.22e+09 4.99e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018