Summary statistics for a7_3_c11_3 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_3 | 2,867 705314 1614927 -1.03e+07 1.95e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018