[PDF][PDF] Validation of QSAR models-strategies and importance

R Veerasamy, H Rajak, A Jain, S Sivadasan… - Int. J. Drug Des …, 2011‏ - researchgate.net
Quantitative Structure-Activity Relationship (QSAR) is based on the hypothesis that changes
in molecular structure reflect changes in the observed response or biological activity. The …

How not to develop a quantitative structure–activity or structure–property relationship (QSAR/QSPR)

JC Dearden, MTD Cronin… - SAR and QSAR in …, 2009‏ - Taylor & Francis
Although thousands of quantitative structure–activity and structure–property relationships
(QSARs/QSPRs) have been published, as well as numerous papers on the correct …

[ספר][B] Understanding the basics of QSAR for applications in pharmaceutical sciences and risk assessment

K Roy, S Kar, RN Das - 2015‏ - books.google.com
Understanding the Basics of QSAR for Applications in Pharmaceutical Sciences and Risk
Assessment describes the historical evolution of quantitative structure-activity relationship …

QSARINS: A new software for the development, analysis, and validation of QSAR MLR models

P Gramatica, N Chirico, E Papa, S Cassani, S Kovarich - 2013‏ - Wiley Online Library
QSARINS (QSAR‐INSUBRIA) is a new software for the development and validation of
multiple linear regression Quantitative Structure‐Activity Relationship (QSAR) models by …

Real external predictivity of QSAR models: how to evaluate it? Comparison of different validation criteria and proposal of using the concordance correlation coefficient

N Chirico, P Gramatica - Journal of chemical information and …, 2011‏ - ACS Publications
The main utility of QSAR models is their ability to predict activities/properties for new
chemicals, and this external prediction ability is evaluated by means of various validation …

Real external predictivity of QSAR models. Part 2. New intercomparable thresholds for different validation criteria and the need for scatter plot inspection

N Chirico, P Gramatica - Journal of chemical information and …, 2012‏ - ACS Publications
The evaluation of regression QSAR model performance, in fitting, robustness, and external
prediction, is of pivotal importance. Over the past decade, different external validation …

On some aspects of variable selection for partial least squares regression models

PP Roy, K Roy - QSAR & Combinatorial Science, 2008‏ - Wiley Online Library
This paper tries to explore the optimum variable selection strategy for Partial Least Squares
(PLS) regression using a model dataset of cytoprotection data. The compounds of the …

[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 …

Qualitative and quantitative analysis of wood samples by Fourier transform infrared spectroscopy and multivariate analysis

H Chen, C Ferrari, M Angiuli, J Yao, C Raspi… - Carbohydrate …, 2010‏ - Elsevier
Fourier transform infrared (FTIR) spectroscopy, in combination with multivariate analysis,
enable the analysis of wood samples without time-consuming sample preparation. The aim …

Applications of support vector machines in chemistry

O Ivanciuc - Reviews in computational chemistry, 2007‏ - Wiley Online Library
Kernel-based techniques (such as support vector machines, Bayes point machines, kernel
principal component analysis, and Gaussian processes) represent a major development in …