Summary statistics for a_c6_56 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_56 | 1,786 -93346.42 1265293 -3.26e+07 2.38e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018