Summary statistics for a7_3_c7_3 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c7_3 | 470 94944.06 237155.4 -12067 2927639 by Jean Roth , jroth@nber.org , 9 Sep 2018