Oshungade I. O.

Professor Isaac Olayiwola OSHUNGADE
HEAD, DEPARTMENT OF STATISTICS

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Telephone number:             +2348033772534      
 
B.Sc. (Hons) Statistics (IBADAN) 1977.
M.Sc. (Statistics) (IBADAN)             1981
P.h.D. (Statistics) (ESSEX) 1987
 
Area of Specialization: SAMPLE SURVEYS
 
On going research:
Prediction Approach to Sampling through different linear models.
 
 


SOME SELECTED PUBLICATIONS:

  1. Oshungade, I. O. (1986): “Use of percentage change in small Area Statistics “The Statistician” Vol. 35, 531 – 545. (A Journal Published by the Royal Statistical Society, U. K.).
  2. Oshungade. I. O. (1988): “Variation in  over the Ratio estimation model” Advance in Modeling and Simulation.  Vol. 12, No. 3, 19-38. (A Journal Published by AMSE, France).
  3. Oshungade, I. O. (1989): “An adjustment for Non-response in sample surveys through Bayesian approach and Decision theory. Nigeria Journals of Mathematics and Applications Vol. 2(1989), 69 – 91.  Published by Kwara State Branch of the Mathematical Association of Nigeria.
  4. Oshungade. I. O. (1989): Sampling in Everyday life in Nigeria “Teaching  Statistics” Vol. 11, No. 2, (1989),  52-53. Joint Publication of Applied Probability Trust, Institute of Statisticians. The International Statistical Institute and The Royal Statistical Society.
  5. Oshungade, I. O. (1989): “Stratified Sampling with Sub-sample of   non-response:”  Abacus, The Journal of the Mathematical Association of Nigeria Vol. 18, No. 2 (1989), 277 – 288 Published by the Mathematical Association of Nigeria.
  6. Oshungade, I. O. (1989): “Some methods of handling item non-response in categorical data’’ The Statistician.  Vol. 38, No. 4(1989), 281 – 296. A Journal Published by the Royal Statistical Society, U. K.).
  7. Oshungade. I. O. (1991): “An Appraisal of Non-response in Nigerian Industrial Survey” AMSE Transaction. Vol. 8. No. 3, 1 – 28. (A Journal Published by AMSE, France)
  8. Oshungade, I. O. (1995): “The Nigerian Population Statistics” (A Journal of Nigerian Statisticians Vol.  2. 46 – 71. ( A Journal Published by the Department of Statistics, University of Ilorin).
  9. Oshungade. I. O. (1996): Use of Percentage Change to Impute Missing Population Total “Modeling Measurement and Control,  Vol. 14, No. 1-2,  1-18. (A Journal Published by AMSE, France)
  10. Oshungade. I. O. (1996): “The behaviour of the ?2 Statistics when all observations appear in the diagonal of a square Contingency Table” ABACUS, The Journal of the Mathematical Association of Nigeria. Vol. 24, No. 2, 180 – 186. (A  Published by the  Journal of the Mathematical Association of Nigeria)
  11. Oshungade. I. O. (1996): “A Review of item Non-response in Sample Surveys.” Nigerian Journal of Pure and Applied Science. Vol. 11, 418-488. (A Journal Published by the Faculty of Science University of Ilorin, Nigeria).
  12. Oshungade. I. O. (1998): “Combined Variance of Two Independent Samples” ABACUS, the Journal of the Mathematical Association of Nigeria. Vol. 26. No.2 650 – 657. (A Journal Published by the Mathematical Association of Nigeria).
  13. Oshungade. I. O. (1998): “A Comparison of Two Regression Based Methods in Small Area Estimation”, Nigeria Journal of Pure and Applied Sciences. Vol 13 658-670 (A Journal Published by the Faculty of Science University of Ilorin, Nigeria).
  14. Oshungade, I. O. (1999): “A Project in Survey Sampling at a Nigerian University”. Nigerian Journal of Mathematics and Applications Vol. 12 (1999), 1 – 22 Published by Kwara State Branch of the Mathematical  Association of Nigeria.
  15. Oshungade, I. O. and Kareem A. O. (2001): “A Comparison of Two Stratification Methods Using Exact Boundary Value” Centre Point (Science Education) University of Ilorin, Vol. 10, No. 1 2000/2001 31 – 44,  Published by the University of Ilorin Library Univesity and Publications Committee.
  16. Oshungade, I. O. and Adewara, A. A. (2002) “On the Relative Efficiency of the three Ratio Estimators” Nigerian Journal of Science, Vol. 36 No. 2 (2002), 157 – 168. Published by Science Association  of Nigeria.
  17. Oshungade, I. O. (2003): “Non-Normal Error Models for Transforming Negative Auxiliary Variate in Ratio Estimation” ABACUS, The Journal of the Mathematical Association of Nigeria. Vol. 30, No. 2A, 33 – 46. (A  Published by the  Journal of the Mathematical Association of Nigeria).
  18. Oshungade. I. O.  and Adebola, F. B. (2003):  “Comparison of  Optimum   Allocation Procedures in Multivariate Surveys”  Nigeria Journal of Pure and Applied Sciences. Vol. 18, 1457-1469 (A Journal Published by the Faculty of Science University of Ilorin, Nigeria).
  19. Oshungade, I. O. (2006): “Comparison of biased and Unbiased Ration estimators Under A Non-normal Errot Model” Abacus, The Journal of the Mathematical Association of Nigeria Vol. 33, No. 2B 471 – 483 A Journal Published by the Mathematical Association of Nigeria.
  20. Abiodun. J.A., Oshungade, I. O. and Omotosho, J. S. (2008): Application of Three-Stage Stratified Sampling in Inland Waters Fisheries Sutvey. Journal of The Nigerian Statistical Association, Vol. 20, 2008, 80 – 101
  21. Abiodun, J. A. and Oshungade, I. O. (2009): “A Statistical Survey of the Fisheries of Jebba Lake, Nigeria” Nigerian Journal of Fisheries Science and Technology, Vol. 1(1) February, (2009)  110 – 118.  Published by National Institute for Fresh Water Fisheries Research.
  22. Abiodun, J. A. & Oshungade, I. O.  (2010): “Estimation of Units Duplication in Finitely Large Overlapping Subframes” Journal of The Nigerian Statistical Association Vol. 21, 29 – 39