Summary statistics for a_c6_99 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_99 | 205 256098.7 4718783 -1.45e+07 5.63e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018