Summary statistics for a_c6_1 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_1 | 1,663 -564185.7 2800584 -8.53e+07 1.75e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018