Summary statistics for a_c6_50 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_50 | 3,016 -711900.7 2008579 -2.78e+07 1.32e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018