Phone: 321-773-1854
email: somervil@pegasus.cc.ucf.edu
Biography
Emeritus Professor of Statistics; Previous appointments with Florida Institute of Technology, Brigham Young University, American University, Carleton University, Virginia Polytechnic Institute, University of New England, University of Hong Kong, Southampton University. Also NASA, RCA, C-E-I-R and National Bureau of Standards.
Education
Ph.D Statistics, 1953 – University of North Carolina
B.Sc Honors Mathematics, 1949 – University of Alberta
Memberships
American Meteorological Society (Fellow)
American Statistical Association (Fellow)
International Association for Statistical Computing
International Statistical Institute (Elected Member)
Research
Multiple comparisons with emphasis on simultaneous testing of very large numbers of hypotheses, FDR procedures, applications to genetics.
Publications
Some tables of critical values for Somerville’s Multiple Comparisons Procedure. 2006 Technical Report 2006-1, Department of Statisitics and Actuarial Science, University of Central Florida.
Step-up and step-down procedures controlling the number and proportion of false positives. 2006 Technical Report 2006-2, Department of Statistics and Actuarial Science, University of Central Florida.
Step-down FDR procedures for large numbers of hypotheses. 2005 Technical Report, Department of Statistics, University of Central Florida.
FDR Procedures controlling the number and proportion of false positives. 2005 Technical Report, Department of Statistics and Actuarial Science, University of Central Florida.
FDR step-down and step-up procedures for the correlated case. 2004 Technical Report, Department of Statistics, University of Central Florida.
A step-down FDR procedure for large numbers of hypotheses. 2004 Technical Report, Department of Statistics, University of Central Florida.
Step-down FDR Procedures for large numbers of hypotheses. 2004 Technical Report, Department of Statistics, University of Central Florida.
Stepwise multiple tests for successive comparisons of treatment effects (with Wei Liu) Computational Statistics and Data Analysis 2004: 46, 189 – 199
FDR step-down and step-up procedures for the correlated case. 2004. Recent developments in multiple comparisons, edited by Y. Benjamini, S. Sarkar, and F. Bretz. IMS Lecture Notes Monograph Series, 47, 100-118.
‘Optimum’ FDR procedures and MCV values. 2003. Technical Report Department of Statistics, University of Central Florida.
Numerical computation of multivariate normal and mutivariate-t probabilities over ellipsoidal regions. Journal of Statistical Software 2001: http://www.stat.ucla.edu/www.jstatsoft.org/v06/i08/
Fortran 90 and SAS-IML programs for computation of critical values for multiple testing and simultaneous confidence intervals. Journal of Statistical Software 2001: http://www.stat.ucla.edu/www.jstatsoft.org/v06/i05/
Obtaining critical values for simultaneous confidence intervals and multiple testing. (with Frank Bretz). Biometrical Journal 2001: 43, 657-663.
Combining one-sided and two-sided confidence interval procedures for successive comparisons of ordered treatment effects. (with Wei Liu, Tetsuhisa, Miwa and A. J. Hayter), Biometrical Journal 2001: 43, 533-542.
Critical values for multiple testing and comparisons – one step and step down procedures. Journal of Statistical Planning and Inference 1999: 82, 129-138.
Numerical computation of multivariate normal and multivariate-t over convex regions. Journal of Computational and Graphical Statistics, 1998 Volume 7, Number 4, 529-544.
A Fortran 90 program to evaluate multivariate normal and multivariate-t integrals over convex regions. Journal of Statistical Software 1998: http://www.stat.ucla.edu/journals/jss/v03/i04/
Multiple testing and simultaneous confidence intervals: calculation of constants. Computational Statistics and Data Analysis 25, 217-233,1997.