Summary statistics for d_4_ipf_c4_200 variable in hcris2552_10_2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_ipf_c4~0 | 9 1222189 2309551 6460 7321403 by Jean Roth , jroth@nber.org , 23 Aug 2018