Summary statistics for d1_irf_c1_41 variable in hcris2552_10_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_41 | 900 2635303 2253335 118782 2.23e+07 by Jean Roth , jroth@nber.org , 23 Aug 2018