Summary statistics for a_c6_37 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_37 | 2,290 -305353.5 1148455 -2.20e+07 1.03e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018