Summary statistics for a_c6_30 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_30 | 4,604 -1351472 3487576 -7.02e+07 1.68e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018