Summary statistics for a8_c2_38 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_38 | 730 -740043.5 7693882 -6.86e+07 1.18e+08 by Jean Roth , jroth@nber.org , 7 Sep 2018