Summary statistics for a8_c2_6 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_6 | 1,773 -55088.07 161603.5 -2761951 155341 by Jean Roth , jroth@nber.org , 21 Apr 2018