Summary statistics for a7_3_c10_4 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_4 | 2,212 420105.2 861360.7 -1025175 2.21e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018