Summary statistics for a8_c2_17 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_17 | 368 -224530.8 956509.2 -1.58e+07 800002 by Jean Roth , jroth@nber.org , 21 Apr 2018