I. B. Onukogu

University of Nigeria

Publishing since 1983, latest 2013

Statistics and Probability
Management Science and Operations Research
Artificial Intelligence
Computational Theory and Mathematics
Food Science
Industrial and Manufacturing Engineering

Their record on OpenAlex

Publications: 181983–2013
Citations: 51to those papers
h-index: 5i10-index 1
Field-weighted impact: 0.551.00 is the world average
World top 10%: 6%1 of 18 scored papers
Open access: 22%4 papers free to read

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Publications

18 in all

A combinatorial procedure for constructing D-optimal exact designs
2013JournalOpen accessFirst author5 citations10.6092/issn.1973-2201/3519
Response surface exploration with spline functions: biased regressors
2013Università degli Studi di BolognaJournalOpen access

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Statistics and Probability1267%
Management Science and Operations Research633%
Artificial Intelligence422%
Computational Theory and Mathematics317%
Food Science211%
Industrial and Manufacturing Engineering211%
Analytical Chemistry16%
Computational Mathematics16%
Computer Vision and Pattern Recognition16%
Control and Systems Engineering16%

Life Sciences
Physical Sciences
Social Sciences

Topics most written on

Advanced Statistical Methods and Models9
Optimal Experimental Design Methods4
Statistical Methods and Bayesian Inference4
Statistical Methods and Inference4
Advanced Multi-Objective Optimization Algorithms2
Statistical Methods in Clinical Trials2
Advanced Control Systems Optimization1
Advanced Measurement and Metrology Techniques1
Advanced Scientific Research Methods1
Bayesian Methods and Mixture Models1
Bayesian Modeling and Causal Inference1
Control Systems and Identification1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

0% of their papers have a co-author abroad

Most frequent partner countries

Papers with at least one author in that country.

Institutions written with most

Abia State UniversityNG1 paper
University of Port HarcourtNG1 paper

Where they publish

Biometrical Journal14
Università degli Studi di Bologna2
Statistica1

How it can be read

22% free to read

Green 4 · 22%A copy in a repository

Development goals addressed

From each paper’s title and abstract

10Reduced inequalities2
11Sustainable cities and communities1
16Peace, justice and strong institutions1

Most cited

An Analysis of Variance of Nominal Data
Biometrical Journal
198514 citationsWorld top 10%
Reasoning by Analogy from ANOVA to CATANOVA
Biometrical Journal
19859 citations
Two‐Stage Least Squares Analysis of Hierarchical Linear Models
Biometrical Journal
19867 citations
A combinatorial procedure for constructing D-optimal exact designs

Analysis of nonlinear regression models with cubic spline functions: a systematic approach

2013Università degli Studi di BolognaJournalOpen accessFirst authorCorresponding0 citations10.6092/issn.1973-2201/705

Two‐Stage Least Squares Analysis of Hierarchical Linear Models

1986Biometrical JournalJournalFirst authorCorresponding7 citations10.1002/bimj.4710280609

A Multivariate Analysis of Variance of Categorical Data

1986Biometrical JournalJournalFirst authorCorresponding1 citation10.1002/bimj.4710280512

An Analysis of Variance of Nominal Data

1985Biometrical JournalJournalFirst authorCorresponding14 citations10.1002/bimj.4710270404

Reasoning by Analogy from ANOVA to CATANOVA

1985Biometrical JournalJournalFirst authorCorresponding9 citations10.1002/bimj.4710270802

Spline and General Regression of Polytomous Data

1985Biometrical JournalJournalFirst authorCorresponding2 citations10.1002/bimj.4710270710

When is Piece‐Wise Regression Really Necessary?

1984Biometrical JournalJournalFirst authorCorresponding5 citations10.1002/bimj.4710260514

Merging Spline Approximations with Analysis of Nonlinear Regression Models

1984Biometrical JournalJournalFirst authorCorresponding0 citations10.1002/bimj.4710260308

On the Best Test for Non‐Additivity

1984Biometrical JournalJournalFirst authorCorresponding0 citations10.1002/bimj.4710260104

The Distribution of the Product of Non‐Central Beta Variates

1983Biometrical JournalJournalSenior authorCorresponding0 citations10.1002/bimj.19830250613

Closed 14 · 78%Behind a paywall

20135 citationsOpen access · Green

When is Piece‐Wise Regression Really Necessary?

Biometrical Journal

19845 citations