Felix N. Nwobi

On the Difference in Cycling Pattern on Linear and Higher-Order Effect Designs

Okim I. Ikpan & Felix N. Nwobi · Asian Journal of Probability and Statistics · 2023

D-optimality is a design criterion that seeks to maximize the determinant of the information matrix, or equivalently minimize the determinant of the inverse information matrix of the design. This design criterion results in maximizing the differential Shannon information content...

Open access Research Article 10.9734/ajpas/2023/v23i3505

Modified Preston-Bennett Method for Estimation of Adult Mortality in Developing Countries

Eleazar C. Nwogu, Felix N. Nwobi & Chinonso O. Okoro · Archives of Current Research International · 2021

This study proposes a modified Preston-Bennett method for the estimation of adult mortality in developing countries. Unlike the previous method, the proposed method derives estimates of adult mortality directly from the 5-year age distribution at the mid-point of the inter-censal...

Open access Research Article 10.9734/acri/2021/v21i530244