1 Matching Annotations
  1. Feb 2019
    1. rob_se <- list(sqrt(diag(vcovHC(fatalities_mod1, type = "HC1"))), sqrt(diag(vcovHC(fatalities_mod2, type = "HC1"))), sqrt(diag(vcovHC(fatalities_mod3, type = "HC1"))), sqrt(diag(vcovHC(fatalities_mod4, type = "HC1"))), sqrt(diag(vcovHC(fatalities_mod5, type = "HC1"))), sqrt(diag(vcovHC(fatalities_mod6, type = "HC1"))), sqrt(diag(vcovHC(fatalities_mod7, type = "HC1"))))

      Error in solve.default(crossprod(demX)) : system is computationally singular: reciprocal condition number = 1.63237e-31