why does stata fail to converge how to fit a fractional polynomial in stata why does a fractional polynomial fail to converge frac polynomial logistic model fails to converge does stata converge why is my frac polynomial model not converge? why does the fractional polynomial not converge why does fractional polynomial logistic model fail why does stata fail when converting dependents why won't the fractional polynomial model converge why is a fractional polynomial model failing can a fractional polynomial be converging stata why is my fracpoly model failing does stata converge why is it not possible to converge in stata why do fractional model not converge why does it fail to converge in stata? fracpoly logistic model is not converging in what version of stata does stata converg frac polynomial logistic model failing to converge in stata