Summary statistics for a_c6_10 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_10 | 4,246 -245429.9 737399.8 -1.89e+07 1.18e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018