Contemporary Journal of Statistics and Applied Mathematics

Contemporary Journal of Statistics and Applied Mathematics is a premier platform for pioneering research, merging academic precision with practical relevance to fuel advancements in the fields of statistics and applied mathematics. From groundbreaking studies in data analysis, probability theory, and statistical modeling, to innovative solutions in machine learning, optimization, and computational mathematics, CJOSAM empowers researchers, professionals, and policymakers with actionable insights to address today’s complex challenges. Supported by a distinguished editorial board and a rigorous peer-review process, CJOSAM ensures every publication meets the highest scholarly standards, establishing it as a trusted resource for advancing knowledge and sparking meaningful discussions in the dynamic world of statistics and applied mathematics.

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  • ANALYZING THE DRIVERS AND SENSITIVITY OF POPULATION GROWTH IN NIGERIA

    • Alade Temisan Godwin (Department of Mathematics, Bayelsa Medical University, Yenagoa, Bayelsa State, Nigeria)
    • Michael James Bennett (Department of Mathematics, Bayelsa Medical University, Yenagoa, Bayelsa State, Nigeria)
    • Emily Claire Watson (Department of Mathematics, Bayelsa Medical University, Yenagoa, Bayelsa State, Nigeria)
    From the Google map online, Nigeria is a country located in West Africa with surrounding countries like Benin, Togo and Ghana on its west surrounding; Chad, Burkina Faso and Cameroon on its North East surrounding while Niger on the north...
    Cite this article:
    Alade Temisan Godwin et al. (2025). ANALYZING THE DRIVERS AND SENSITIVITY OF POPULATION GROWTH IN NIGERIA. Contemporary Journal of Statistics and Applied Mathematics. https://doi.org/10.5281/zenodo.15435741

  • GENERALIZED RIDGE REGRESSION: MULTI-RIDGE AND INVERSE-RIDGE METHODS WITH AND WITHOUT MULTICOLLINEARITY

    • Ebikeme Tari Emmanuel (Mathematics Department, Isaac Jasper Boro College of Education, Sagbama, Bayelsa State, Nigeria)
    • Michael James Bennett (Mathematics Department, Isaac Jasper Boro College of Education, Sagbama, Bayelsa State, Nigeria)
    • Emily Claire Watson (Mathematics Department, Isaac Jasper Boro College of Education, Sagbama, Bayelsa State, Nigeria)
    The study presented Mult-, and Inverse-ridge regressions for data with or without multicollinearity for certain shrinkage factors. The study considered data of GDP of Nigeria as response, while exchange, unemployment, inflation and...
    Cite this article:
    Ebikeme Tari Emmanuel et al. (2025). GENERALIZED RIDGE REGRESSION: MULTI-RIDGE AND INVERSE-RIDGE METHODS WITH AND WITHOUT MULTICOLLINEARITY. Contemporary Journal of Statistics and Applied Mathematics. https://doi.org/10.5281/zenodo.15436344

  • ASSESSMENT OF GROUNDWATER POTENTIAL USING GEOELECTRICAL METHODS IN BALOGUN AREA, IBADAN

    • Adebayo Tunde Olufemi (Department of Geology, Faculty of Science, The Polytechnic, Ibadan, Nigeria)
    • Michael James Bennett (Department of Geology, Faculty of Science, The Polytechnic, Ibadan, Nigeria)
    • Emily Claire Watson (Department of Geology, Faculty of Science, The Polytechnic, Ibadan, Nigeria)
    A geoelectrical survey involving Vertical Electrical Sounding has been carried out at Balogun, Ibadan, Southwestern Nigeria to delineate the aquifer units and evaluate the groundwater potential of the area. The area falls within the Precambrian...
    Cite this article:
    Adebayo Tunde Olufemi et al. (2025). ASSESSMENT OF GROUNDWATER POTENTIAL USING GEOELECTRICAL METHODS IN BALOGUN AREA, IBADAN. Contemporary Journal of Statistics and Applied Mathematics. https://doi.org/10.5281/zenodo.15436354