Summary statistics for d1_irf_c1_53 variable in hcris2552_10_2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_53 | 909 3784583 3128891 21309 2.86e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018