Summary statistics for a8_c2_46 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_46 | 3,537 -163737.6 1429594 -5.38e+07 1.48e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018