Summary statistics for a7_3_c11_2 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_2 | 109 176538.7 597063.4 -4141695 2664825 by Jean Roth , jroth@nber.org , 21 Apr 2018