Prof. Dr. Abdul Rahman Othman

Abdul Rahman 2   

Prof. Dr. Abdul Rahman Othman
Phone         : 04-6532298
Fax             : 04-6576000
Email          : oarahman@usm.my
Robust statistical computing, Pyschometrics
 

Profile


Academic Qualifications:

  • Doctor of Philosophy (Education) (1995), University of California, Santa Barbara (UCSB)
  • Master of Science (Statistics) (1983), Southern Illinois University, Carbondale (SIUC)
  • Bachelor of Arts (Mathematics) (1981), Southern Illinois University, Carbondale (SIUC)

Research

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Publication

Selected Journal Articles:

  1. Keselman, H. J., Othman, A. R., & Wilcox, R. R. (2013). Preliminary testing for normality: Is this good practice? Journal of Modern Applied Statistical Methods, 12, 2-19.
  2. Keselman, H. J., Othman, A. R., & Wilcox, R. R. (in press). Generalized linear model analyses for treatment group equality when data are non-normal. Journal of Modern Applied Statistical Methods.
  3. Teh, S. Y., Othman, A. R., Sulaiman, S., Mohamed Ibrahim, M. I., & Rashid, M. R. (in press). Application of mean and standard deviation in questionnaire surveys: Construct validation. Jurnal Teknologi.
  4. Lim, P. Y., Huxley, J. N., Green, M. J., Othman, A. R., Potterton, S. L., Brignell, C. J., & Kaler, J. (2015). Area of hair loss in dairy cows with hock lesions: A study of its risk factors and correlation to categorical scale on 76 dairy farms in the Midlands region of the United Kingdom. Veterinary Journal, 203, 205-210.
  5. Lim, P. Y., Huxley, J. N., Willshire, J. A., Green, M. J., Othman, A. R., & Kaler, J. (2015). Unravelling the temporal association between lameness and body condition score in dairy cattle using a multistate modelling approach. Preventative Veterinary Medicine, 118, 370-377.
  6. Othman, A. R., Keselman, H. J., & Wilcox, R. (2015). Assessing normality: Applications in multi-group designs. Malaysian Journal of Mathematical Sciences, 9(1), 53-65.
  7. Othman, A. R., & Lai, C. H. (2014). Sensitivity analysis of the refinement to the Mann-Whitney test. Sains Malaysiana, 43, 1095-1100.
  8. Keselman, H. J., Othman, A. R., & Wilcox, R. R. (2014). Preliminary testing for normality in the multi-group problem: Is this a good practice? Clinical Dermatology, 2, 29-43.
  9. Okwonu, F. Z., & Othman, A. R. (2014). Effect of heteroscedastic variance covariance matrices on two groups linear classification techniques. Journal of Mathematics and System Science, 4, 133-138.
  10. Zakaria, N., & Othman, A. R. (2013). ‘The right to information’: A Malaysian political blog readers’ perspective. International Journal of Social, Human Science and Engineering, 7, 266-269.

Book:

  • Othman, A. R., & Yaacob, C. R. (2009). Kebarangkalian dan pembolehubah rawak. [Probability and random variables]. Pulau Pinang, Malaysia: Universiti Sains Malaysia.

Chapter in a Book:

  1. Othman, A. R., Yaacob, C. R., & Syed Yahaya, S. S. (2006). Robust scale estimates with test statistics that are based on robust estimators. In A. A. Tajuddin, and K. O. Lim (Eds.), Fundamental Research at USM, 2002-2005: Volume I (Physical Sciences). (pp. 103-105). Penang, Malaysia: Universiti Sains Malaysia.
  2. Othman, A. R., Keselman, H. J., Padmanabhan, A. R., Wilcox, R. R., & Fradette, K. (2004). An improved robust Welch-James test statistic. In Y. Abu Hassan, A. Baharum, A. I. Mohd. Ismail, H. L. Koh and H. C. Low (Eds.), Integrating Technology in the Mathematical Sciences (pp. 546-554). Pulau Pinang, Malaysia: Universiti Sains Malaysia.
  3. Syed Yahaya, S. S., Othman, A. R., & Keselman, H. J. (2004). Testing the equality of location parameters for skewed distributions using S1 with high breakdown robust scale estimators. In M. Hubert, G. Pison, A. Struyf and S. Van Aelst (Eds.), Theory and Applications of Recent Robust Methods, Series: Statistics for Industry and Technology (pp. 319-328). Basel, Switzerland: Birkhauser.
  4. Ahmad, M. N., Shafiqul Islam, A. K. M., Othman, A. R., Md. Shakaff, A. Y., Hitam, M. S., Ishak, Z., Noorsal, E., & Kwan, W. Y. (2003). Lipid membrane coated quartz crystal microbalance for the detection of volatile organic compounds in the environment. In M. Ahmad, Y. H. Lee, J. Salimon, D. K. Ghodgaonkar, R. W. Yousof, S. Surif, & M. N. Taib (Eds.), Sensors: AsiaSense 2003 – Asian conference on sensors (pp. 111-115). Malaysia: Institute of Electrical and Electronic Engineers (Malaysia Section).
  5. Sim, M. Y. M., Teo. J. S., Ahmad, M. N., Md. Shakaff, A. Y., Othman, A. R., & Hitam, M. S. (2003). Application of screen-printed taste sensor for quality control of milk freshness. In M. Ahmad, Y. H. Lee, J. Salimon, D. K. Ghodgaonkar, R. W. Yousof, S. Surif, & M. N. Taib (Eds.), Sensors: AsiaSense 2003 – Asian conference on sensors (pp. 121-128). Malaysia: Institute of Electrical and Electronic Engineers (Malaysia Section).
  6. Chew, O. S., Ahmad, M. N., Ismail, Z., & Othman, A. R. (2003). Virtual chemical sensor for classification of herb – orthosiphon stamineus according to its geographical origin. In M. Ahmad, Y. H. Lee, J. Salimon, D. K. Ghodgaonkar, R. W. Yousof, S. Surif, & M. N. Taib (Eds.), Sensors: AsiaSense 2003 – Asian conference on sensors (pp. 173-178). Malaysia: Institute of Electrical and Electronic Engineers (Malaysia Section).

Monograph:

  • Othman, A. R, (2012). Ujian t lasak: Betulkah begitu [Durable t test: Does it exist]? Siri Pelantikan Profesor 2011/bil. 3 [Professorial Promotion Series/No. 3]. Pulau Pinang, Malaysia: Universiti Sains Malaysia

Teaching

  • Foundation Level Mathematics
  • Ethnic Relations
  • Calculus
  • Biostatistics
  • Elementary Statistics
  • Statistical Inference
  • Linear Algebra
  • Design and Analysis of Experiments
  • Statistical Methods
  • Educational Measurement
  • Advanced Calculus
  • Statistical Computing
  • Probability Theory
  • Quantitative Methods in Geography

Supervision

PhD:

  1. Lim, P. Y. (2014). Epidemiological investigations into factors associated with hock lesions, lameness and fertility in dairy cattle. Unpublished doctoral thesis, University of Nottingham, United Kingdom.
  2. Okwonu, F. Z. (2014). Several robust techniques in two-groups unbiased linear classification. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  3. Alsaggaff, I. A. (2013). New power analysis for the pseudo-median procedure for more than two groups. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  4. Ahad, N. A. (2012). Performance of the modified Wilcoxon procedure with pseudo-medians. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  5. Abdullah, S. (2011). Kaedah Alexander-Govern menggunakan penganggar teguh dengan pendekatan pangkasan data: Kajian simulasi [The Alexander-Govern method with robust estimator and data trimming approach: A simulation study]. Unpublished doctoral thesis, Universiti Utara Malaysia, Kedah, Malaysia.
  6. Md Yusof, Z. (2010). Type I error and power rates of robust method with variable trimmed mean. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  7. Lai, C. H. (2010). Evaluation of two refined Mann-Whitney procedures. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  8. Muda, N. (2008). Pohon filogenetik berjarak terubahsuai [Modified distance phylogenetic trees]. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  9. Shafiqul Islam, A. K. M. (2007). Fabrication of an electronic nose and its application for the verification of Eurycoma Longifolia extracts. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  10. Syed Yahaya, S. S. (2006). Robust statistical procedures for testing the quality of central tendency parameters under skewed distributions. Unpublished doctoral thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.

Master:

  1. Tan, Y. T. (2016). Komponen varians interaksi pelajar dengan item dan kesan terhadap kebolehpercyaaan [Person by item variance component and its effect on reliability]. Unpublished master’s thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  2. Teh, S. Y. (2008). Data mining for robust tests of spread. Unpublished master’s thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  3. Lim, A. K. (2008). Kesan imputasi ke atas penganggaran pekali kebolehitlakan [The effect of imputation on the generalizability coefficient]. Unpublished master’s thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  4. Yon, H. (2007). Factors influencing chemical safety status in small and medium printing enterprises in Penang. Unpublished master’s thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  5. Lai, C. H. (2002). Penganggaran pekali kebolehitlakan untuk data hilang. [Estimation of generalizability coefficient in the presence of missing data]. Unpublished master’s thesis, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  6. Ramasamy, T. S. (2000). Analisis psikometrik terhadap instrumen gaya pembelajaran. [Psychometric analysis of learning style instrument]. Unpublished master’s project, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  7. Ismail, I. (2000). Perbandingan kebolehpercayaan item aneka pilihan bagi ujian tiga, empat dan lima alternatif. [Comparison of reliabilities in multiple choice tests with three, four or five items]. Unpublished master’s project, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  8. Choong, L. Y. (1999). Penilaian prestasi amali fizik di peringkat sekolah: Satu kajian kesahan ramalan. [Evaluation of performance in physics practicals at school level: A predictive validity study]. Unpublished master’s project, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
  9. Loo, L. C. (1999). Mengesan DIF dengan menggunakan model log-linear. [Detecting DIF using a log-linear model]. Unpublished master’s project, Universiti Sains Malaysia, Pulau Pinang, Malaysia.

Recognition

  1. International Advisory Board Member, Alsumait University (AIU), Lungi, Sierra Leone Dec 2014–present
  2. Member of the Senate of Universiti Sains Malaysia 2014-present
  3. Technical Program Committee (TPC) member of the 2nd International Conference on Statistics in Science, Business and Engineering by the organizers of the conference at the Faculty of Computer and Mathematical Sciences, University Teknologi MARA. April–Sep 2015
  4. Visiting Scientist, Dept. of Psychology, University of Manitoba, Winnipeg, Canada Mar – Jun 2014
  5. Editorial Board Member, Malaysian Journal of Distance Education 2000

Awards/Scholarship:

  1. USM’s Hadiah Sanjungan Award. Publication 2012
  2. Dean’s Award, PPPJJ 2012
  3. Dean’s Award, Institute of Postgraduate Studies 2011
  4. Dean’s Award, PPPJJ 2011
  5. USM’s Hadiah Sanjungan Award. Publication 2010
  6. PPPJJ’s Mini Sanggar Sanjung Award 2010
  7. USM’s Hadiah Sanjungan Award. Publication 2009
  8. USM’s Hadiah Sanjungan Award. Publication 2008
  9. USM’s Excellent Service Award 2008
  10. USM’s Long (25 years) Service Award 2008
  11. British Innovation and Technology Show. London, UK - Gold. Combined Electronic Nose and Tongue for the Verification of Herbal Products 2007
  12. USM’s Sanggar Sanjung Award. Research product category. 2007
  13. Malaysian Invention and Design Society. I.TEX Award – Gold. Combined Electronic Nose and Tongue for the Verification of Herbal Products 2006
  14. USM’s Sanggar Sanjung Award. Publication. 2006
  15. USM’s Hadiah Sanjungan Award. Research product category. 2006
  16. Malaysian Invention and Design Society. I.TEX Corporate Award – Silver. Electronic Nose for Monitoring Medicinal Plant Extracts. 2005
  17. USM’s Sanggar Sanjung Award. Publication. 2005
  18. USM’s Sanggar Sanjung Award. Publication. 2004
  19. USM’s Excellent Service Award 2004
  20. Ministry of Science, Technology & Environment’s (MOSTE) Science & Technology Expo Gold Prize. Nutra-Biostrip for Herbal Analysis. 2003
  21. USM’s Sanggar Sanjung Award. Research product category. 2003
  22. Director’s Award, PPPJJ, USM 1996
  23. Research Fellowship, School of Education, Stanford University 1996
  24. Academic Staff Higher Education Fellowship, USM 1990-1994
  25. President’s Work Study Award, UCSB 1991-1993
  26. Valuable Service Certificate, USM 1986
  27. SIUC Scholastic Honors 1979
  28. MARA Overseas Studies Scholarship 1977-1983