Summary statistics for a8_c2_16 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_16 | 4,425 -401810.3 763354 -1.67e+07 2268479 by Jean Roth , jroth@nber.org , 21 Apr 2018