Summary statistics for d_4_irf_c4_200 variable in hcris2552_10_2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_irf_c4~0 | 6 1551886 2839902 6460 7321403 by Jean Roth , jroth@nber.org , 23 Aug 2018