Summary statistics for a_c1_192 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_192 | 1,640 3771779 1.95e+07 -1.18e+07 6.54e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018