Summary statistics for a_c2_17 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_17 | 5,942 461684.8 888066.4 -1914665 1.30e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018