Summary statistics for a_c6_98 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_98 | 564 -475147.2 5071577 -7.24e+07 5.29e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018