1997
DOI: 10.1002/(sici)1099-128x(199711/12)11:6<511::aid-cem488>3.0.co;2-w
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Multiway calibration in 3D QSAR

Abstract: SUMMARYWe have introduced multilinear PLS in 3D QSAR and applied it to GRID descriptors from a set of benzamides with affinity to the dopamine D 3 receptor subtype, synthesized as potential drugs against schizophrenia. The key issue in 3D QSAR modelling is to obtain a predictive model that is easy to interpret. Each component in the multilinear PLS model explains clearly defined details, e.g. substituent positions, while the bilinear PLS solution is general and more difficult to interpret. The best models were… Show more

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Cited by 64 publications
(38 citation statements)
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“…Here, we will give a very short report on the feature extraction approaches used in QSAR/QSPR studies. The purpose of feature extraction is finding the best linear/ nonlinear combination of features based on a dimensionality reduction approaches [310][311][312][313]. Principal component analysis (PCA) [310,314], Rényientropy [315], hierarchical discriminate regression (HDR) [316], independent component analysis (ICA) [317], multidimensional scaling (MDS) [318], partial least squares (PLS) [319], nonlinear mapping (NLM) [320,321] and molecular maps (MOLMAP) [322][323][324] are the mostly applied feature extraction techniques.…”
Section: Dimension Reduction and Feature Extractionmentioning
confidence: 99%
“…Here, we will give a very short report on the feature extraction approaches used in QSAR/QSPR studies. The purpose of feature extraction is finding the best linear/ nonlinear combination of features based on a dimensionality reduction approaches [310][311][312][313]. Principal component analysis (PCA) [310,314], Rényientropy [315], hierarchical discriminate regression (HDR) [316], independent component analysis (ICA) [317], multidimensional scaling (MDS) [318], partial least squares (PLS) [319], nonlinear mapping (NLM) [320,321] and molecular maps (MOLMAP) [322][323][324] are the mostly applied feature extraction techniques.…”
Section: Dimension Reduction and Feature Extractionmentioning
confidence: 99%
“…Entretanto, programas modernos de modelagem usados em estudos de QSAR geram milhares de descritores que frequentemente são altamente correlacionados entre si, especialmente em análises de QSAR 3D e 4D. [24][25][26][27] Assim, o método MLR não pode ser usado nesses casos, a menos que se faça uma seleção de variáveis criteriosa. Para evitar esses problemas, uma boa alternativa é o uso dos métodos de projeção, também conhecidos como métodos bilineares, como a regressão por componentes principais (PCR) ou a regressão por quadrados mínimos parciais (PLS).…”
Section: Construção De Modelos De Regressão Com O Método Plsunclassified
“…where k is the number of variables in the model and n is the number of compounds used in the study [26][27][28].…”
Section: Comfa Analysismentioning
confidence: 99%