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Among the methods of variable selection for Quantitative Structure-Property Relationship (QSPR) studies, one of the currently available alternatives is the Ordered Predictors Selection (OPS). Using this algorithm and descriptors obtained using only Simplified Molecular Input Line Entry System (SMILES) strings in the free web server Parameter Client, a QSPR study with a data set of 28 alkyl (1-phenylsulfonyl)...
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