Summary statistics for a_c6_191 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_191 | 160 2059279 2.62e+07 -1.96e+07 3.22e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018