Summary statistics for a8_c2_20 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_20 | 4,107 -15370.27 47172.57 -1249392 169584 by Jean Roth , jroth@nber.org , 21 Apr 2018