Summary statistics for a_c6_1 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_1 | 4,995 -390751.9 6056634 -3.07e+08 1.66e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018