Summary statistics for a8_c2_41 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_41 | 4,638 -166539.7 1745485 -3.51e+07 3.11e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018