Summary statistics for a_c1_30 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_30 | 6,055 1.08e+07 1.85e+07 17 3.68e+08 by Jean Roth , jroth@nber.org , 23 Aug 2018