Summary statistics for a7_3_c10_4 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_4 | 2,393 749620.6 1704537 -2507893 3.72e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018