Summary statistics for a_c2_1 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_1 | 5,015 4692122 1.19e+07 -7.16e+07 4.12e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018