Summary statistics for a8_c2_46 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_46 | 1,564 -221524.9 1842258 -4.60e+07 6463096 by Jean Roth , jroth@nber.org , 10 Sep 2018