Summary statistics for d1_irf_c1_53 variable in hcris2552_10_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_53 | 900 3705110 3096443 111785 3.03e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018