Summary statistics for a_c2_15 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_15 | 3,842 6688250 1.65e+07 -2.08e+07 3.69e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018