Summary statistics for a7_3_c11_1 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c11_1 | 421 528527.7 1859428 -1.36e+07 1.42e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018