vcov arguments allow for custom variance-covariance
matrices (like those you would have for “robust” standard errors).newdata to spare user from having to create
such a placeholder column for the DV in their prediction grid.sim_qi()
works as intended.{MASS} for {stevemisc} for
the purpose of simulating a multivariate normal distribution. Fewer
dependencies.logistf() in the
{logistf} package.Initial development offering.