Summary statistics for a_c2_49 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_49 | 5,321 378883.1 735723.2 -1008488 1.66e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018