Summary statistics for a8_c2_17 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_17 | 353 -213879.2 972549.3 -1.65e+07 61633 by Jean Roth , jroth@nber.org , 21 Apr 2018