Summary statistics for a7_3_c5_1 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c5_1 | 2,391 22249.3 62049.05 -1676 1991775 by Jean Roth , jroth@nber.org , 7 Sep 2018