Summary statistics for a_c2_37 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_37 | 3,340 1.08e+07 2.83e+07 -3160 5.22e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018