Summary statistics for a_c6_53 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_53 | 1,612 -456670 1674407 -2.67e+07 2.39e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018