Summary statistics for a7_3_c11_2 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_2 | 599 179447.7 750282.5 -1.24e+07 5644127 by Jean Roth , jroth@nber.org , 7 Sep 2018