Summary statistics for a_c1_60 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_60 | 2,882 4245284 1.19e+07 -109669 2.12e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018