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G-SELC: Optimization by sequential elimination of level combinations using genetic algorithms and Gaussian processes

Published in Institute of Mathematical Statistics
2009
Volume: 3
   
Issue: 1
Pages: 398 - 421
Abstract

Identifying promising compounds from a vast collection of feasible compounds is an important and yet challenging problem in the pharmaceutical industry. An efficient solution to this problem will help reduce the expenditure at the early stages of drug discovery. In an attempt to solve this problem, Mandal, Wu and Johnson [Technometrics 48 (2006) 273-283] proposed the G - SELC algorithm. Although powerful, it fails to extract substantial information from the data to guide the search efficiently, as this methodology is not based on any statistical modeling. The proposed approach uses Gaussian Process (GP) modeling to improve upon SELC, and hence named -SELC. The performance of the proposed methodology is illustrated using four and five dimensional test functions. Finally, we implement the new algorithm on a real pharmaceutical data set for finding a group of chemical compounds with optimal properties. extcopyright Institute of Mathematical Statistics.

About the journal
JournalThe Annals of Applied Statistics
PublisherInstitute of Mathematical Statistics
ISSN1932-6157
Open AccessNo