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. Author manuscript; available in PMC: 2013 Oct 22.
Published in final edited form as: Molecules. 2012 Aug 20;17(8):9971–9989. doi: 10.3390/molecules17089971

Table 2.

Comparison of novel stereoselective descriptor predictability with other published QSAR methods against the Cramer's steroid set. Calculation of q2 can be found in the methods section. Statistical model generation method is indicated as well as QSAR method employed are indicated for each reference.

QSAR Method Model Creation q2 Reference
Purely Spatial RDF-like stereochemistry Artificial Neural Network 0.56
Property weight RDF-like stereochemistry (product) Artificial Neural Network 0.74
Property weight RDF-like stereochemistry (sum) Artificial Neural Network 0.78
Stochastic 3D-chiral linear indices Multiple Linear Regression 0.87 [13]
Chiral Topological Indices Stepwise Regression Analysis 0.85 [10]
Chiral Graph Kernels Support Vector Machine 0.78 [11]
Chirality Correction and Topological Descriptors K-nearest neighbor 0.83 [9]
Molecular Quantum Similarity Measures Multilinear Regression 0.84 [24]
Shape and Electrostatic Similarity Matrixes Non-linear Neural Network 0.94 [25]
Comparative Molecular Moment Analysis Partial Least Squares (PLS) 0.83 [23]
Comparative Molecular Similarity Indices Analysis PLS 0.67 [26]
Comparative Molecular Field Analysis PLS 0.65 [20]
E-state Descriptors PLS 0.62 [27]
Molecular Electronegativity Distance Vector Genetic Algorithm PLS 0.78 [28]
Molecular Quantum Similarity Measures Multilinear Regression and PLS 0.80 [29]