Summary statistics for a8_c2_44 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_44 | 168 194069.5 2887371 -6904191 3.17e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018