Tobias E. Ugah

University of Nigeria

Publishing since 2018, latest 2026

Statistics and Probability
Management Science and Operations Research
Statistics, Probability and Uncertainty
Economics and Econometrics
Accounting
Analytical Chemistry

Publications: 182018–2026
Citations: 16to those papers
h-index: 2i10-index 0
Field-weighted impact: 0.271.00 is the world average
World top 10%: 0%0 of 18 scored papers
Open access: 67%12 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

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

Publications

18 in all

New Influence Diagnostics for Detecting Multiple Influential Observations in Linear Regression Models
2026Mathematics and StatisticsJournalOpen accessFirst author0 citations10.13189/ms.2026.140411
Ensemble Machine Learning Application and Feature Importance Detection in Stock Price Prediction
2025

Download CV:PDFWord

From the classification of each paper

Subfields

Statistics and Probability950%
Management Science and Operations Research317%
Statistics, Probability and Uncertainty317%
Economics and Econometrics211%
Accounting16%
Analytical Chemistry16%
Applied Mathematics16%
Cardiology and Cardiovascular Medicine16%
Computational Mechanics16%
Computational Theory and Mathematics16%

Health Sciences
Physical Sciences
Social Sciences

Topics most written on

Advanced Statistical Methods and Models8
Statistical Methods and Bayesian Inference5
Statistical Methods and Inference5
Advanced Statistical Process Monitoring3
Statistical Distribution Estimation and Applications2
Advanced Optimization Algorithms Research1
Artificial Intelligence in Healthcare1
Blockchain Technology Applications and Security1
Blood Pressure and Hypertension Studies1
Complex Systems and Time Series Analysis1
Crime, Illicit Activities, and Governance1
Economic theories and models1

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

Confluence University of Science and Technology, OsaraNG2 papers
Pan-Atlantic UniversityNG2 papers
Chukwuemeka Odumegwu Ojukwu UniversityNG2 papers
Alex Ekwueme Federal University, Ndufu-AlikeNG2 papers
Dennis Osadebay UniversityNG1 paper
Kogi State UniversityNG1 paper
Abiola Ajimobi Technical University IbadanNG1 paper
Federal Medical CentreNG1 paper
Federal University of Technology OwerriNG1 paper
Western Delta UniversityNG1 paper

Where they publish

Mathematics and Statistics3
Asian Journal of Probability and Statistics1
FUDMA Journal of Sciences1
HAL (Le Centre pour la Communication Scientifique Directe)1
International Journal of Statistics and Applied Mathematics1
Journal of Agricultural Extension1
Journal of Applied Mathematics1
Journal of Applied Statistics1

How it can be read

67% free to read

Diamond 8 · 44%Free to read and to publish
Gold 2 · 11%In an open-access journal
Hybrid 1 · 6%Open in a subscription journal
Green 1 · 6%A copy in a repository
Closed 6 · 33%Behind a paywall

Development goals addressed

From each paper’s title and abstract

3Good health and well-being1
8Decent work and economic growth1
12Responsible consumption and production1
17Partnerships for the goals1

Most cited

Robust estimation using multivariate t innovations for vector autoregressive models via ECM algorithm
Journal of Applied Statistics
20204 citationsOpen access · Green
Strong convergence result for solution of stochastic convex minimization problem generated by generalized random iterative scheme
Journal of Information and Optimization Sciences
20193 citations
Ensemble Machine Learning Application and Feature Importance Detection in Stock Price Prediction
Asian Journal of Probability and Statistics
20252 citationsOpen access · Diamond
Estimation for vector autoregressive model under multivariate skew- t -normal innovations
Statistical Modelling8
20242 citations
On the Comparison of Methods of Estimating Missing Values in Rectangular Lattice Designs
Journal of Mathematics and Statistics
20182 citationsOpen access · Diamond

Asian Journal of Probability and Statistics

Technological Capabilities of Rice Processors in Enugu State, Nigeria

2025Journal of Agricultural ExtensionJournalOpen accessFirst author0 citations10.4314/jae.v29i1.4

A Theoretical Investigation on the Consistency Property of Rank-Shapley Value for Super-Additive Games

2024HAL (Le Centre pour la Communication Scientifique Directe)Journal0 citations

On the Upper Bounds of Test Statistics for a Single Outlier Test in Linear Regression Models

2021Journal of Applied MathematicsJournalOpen accessFirst author1 citation10.1155/2021/1478843

Statistical study of reported cases of hypertensive patients at Akulue Memorial hospital, Nsukka, Enugu state

2021International Journal of Statistics and Applied MathematicsJournalOpen access0 citations10.22271/maths.2021.v6.i2a.659

On the Comparison of Methods of Estimating Missing Values in Rectangular Lattice Designs

2018Journal of Mathematics and StatisticsJournalOpen accessSenior author2 citations10.3844/jmssp.2018.201.208