Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 3,927 -150708.5 1492893 -5.16e+07 2.29e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018