Summary statistics for a_c6_41 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_41 | 4,140 -667156.8 5625273 -2.17e+08 4.54e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018