The effect of noise on the predictive limit of QSAR models

SS Kolmar, CM Grulke - Journal of Cheminformatics, 2021 - Springer
A key challenge in the field of Quantitative Structure Activity Relationships (QSAR) is how to
effectively treat experimental error in the training and evaluation of computational models. It …

How important is to detect systematic error in predictions and understand statistical applicability domain of QSAR models?

K Roy, P Ambure, RB Aher - Chemometrics and Intelligent Laboratory …, 2017 - Elsevier
One of the important applications of quantitative structure-activity relationship (QSAR)
models is to fill data gaps by predicting a given response property or activity from known …

Three useful dimensions for domain applicability in QSAR models using random forest

RP Sheridan - Journal of chemical information and modeling, 2012 - ACS Publications
One popular metric for estimating the accuracy of prospective quantitative structure–activity
relationship (QSAR) predictions is based on the similarity of the compound being predicted …

Similarity to molecules in the training set is a good discriminator for prediction accuracy in QSAR

RP Sheridan, BP Feuston, VN Maiorov… - Journal of chemical …, 2004 - ACS Publications
How well can a QSAR model predict the activity of a molecule not in the training set used to
create the model? A set of retrospective cross-validation experiments using 20 diverse in …

Be aware of error measures. Further studies on validation of predictive QSAR models

K Roy, RN Das, P Ambure, RB Aher - Chemometrics and Intelligent …, 2016 - Elsevier
Validation is the most crucial concept for development and application of quantitative
structure–activity relationship (QSAR) models. The validation process confirms the reliability …

On the misleading use of for QSAR model comparison

V Consonni, R Todeschini, D Ballabio… - Molecular …, 2019 - Wiley Online Library
Abstract Quantitative Structure–Activity Relationship (QSAR) models play a central role in
medicinal chemistry, toxicology and computer‐assisted molecular design, as well as a …

[HTML][HTML] On two novel parameters for validation of predictive QSAR models

P Pratim Roy, S Paul, I Mitra, K Roy - Molecules, 2009 - mdpi.com
Validation is a crucial aspect of quantitative structure–activity relationship (QSAR) modeling.
The present paper shows that traditionally used validation parameters (leave-one-out Q 2 for …

A historical excursus on the statistical validation parameters for QSAR models: a clarification concerning metrics and terminology

P Gramatica, A Sangion - Journal of chemical information and …, 2016 - ACS Publications
In the last years, external validation of QSAR models was the subject of intensive debate in
the scientific literature. Different groups have proposed different metrics to find “the best” …

External validation and prediction employing the predictive squared correlation coefficient Test set activity mean vs training set activity mean

G Schuurmann, RU Ebert, J Chen… - Journal of chemical …, 2008 - ACS Publications
The external prediction capability of quantitative structure− activity relationship (QSAR)
models is often quantified using the predictive squared correlation coefficient, q 2. This index …

Comments on the Definition of the Q2 Parameter for QSAR Validation

V Consonni, D Ballabio… - Journal of chemical …, 2009 - ACS Publications
This paper deals with the problem of evaluating the predictive ability of QSAR models and
continues the discussion about proper estimates of the predictive ability from an external …