Authors: Esele, I. I. Onukogu, I. B.

Citation: I. I. Esele et I. B. Onukogu, Response surface exploration with spline functions: biased regressors, Statistica, 47(2), 1987, pp. 287-298

Authors: Onukogu, I. B.

Citation: I. B. Onukogu, Analysis of nonlinear regression models with cubic spline functions: a systematic approach,, Statistica, 46(1), 1986, pp. 83-91