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Application of Associative Neural Networks for Prediction of Lipophilicity in ALOGPS 2.1 Program

Tetko, Igor V., Tanchuk, Vsevolod Yu.·2002·Journal of Chemical Information and Computer Sciences

Abstract

This article provides a systematic study of several important parameters of the Associative Neural Network (ASNN), such as the number of networks in the ensemble, distance measures, neighbor functions, selection of smoothing parameters, and strategies for the user-training feature of the algorithm. The performance of the different methods is assessed with several training/test sets used to predict lipophilicity of chemical compounds. The Spearman rank-order correlation coefficient and Parzen-window regression methods provide the best performance of the algorithm. If additional user data is available, an improved prediction of lipophilicity of chemicals up to 2-5 times can be calculated when the appropriate smoothing parameters for the neural network are selected. The detected best combinations of parameters and strategies are implemented in the ALOGPS 2.1 program that is publicly available at http://www.vcclab.org/lab/alogps.

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Metadata

Authors
Tetko, I. V., & Tanchuk, V. Y.
Venue
Journal of Chemical Information and Computer Sciences
Published
2002-08-09
Volume
42
Issue
5
Pages
1136-1145
ISSN
0095-2338 (ISSN-L)
OpenAlex
W1541037889
Cited by
617
References
2
FWCI
13.28
Type
journal article
Language
en
Open access
closed

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