Summary statistics for a8_c2_42 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_42 | 4,448 -389322.7 4230528 -1.32e+08 4.19e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018