Summary statistics for a8_c2_48 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_48 | 3,199 -276879.3 2752618 -6.23e+07 5.15e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018