Summary statistics for a8_c2_17 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_17 | 346 -235006.5 1258633 -1.60e+07 339450 by Jean Roth , jroth@nber.org , 21 Apr 2018