Summary statistics for a_c6_41 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_41 | 4,000 -255735.8 5404838 -2.01e+08 2.17e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018