Summary statistics for a_c6_3 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_3 | 4,835 -360094.4 3130421 -5.26e+07 9.27e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018