Summary statistics for d1_irf_c1_49 variable in hcris2552_10_2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_49 | 909 4164556 3374142 23924 3.00e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018