Title of article :
Comparison of different methods for variable selection Original Research Article
Author/Authors :
Lu Xu، نويسنده , , Wenjun Zhang، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2001
Pages :
7
From page :
475
To page :
481
Abstract :
In chemistry for chemical analysis of a multi-component sample or quantitative structure–activity/property relationship (QSAR/QSPR) studies, variable selection is a key step. In this study, comparisons between different methods were performed. These methods include three classical methods such as forward selection, backward elimination and stepwise regression; orthogonal descriptors; leaps-and-bounds regression and genetic algorithm. Thirty-five nitrobenzenes were taken as the data set. From these structures quantum chemical parameters, topological indices and indicator variable were extracted as the descriptors for the comparisons of variable selections. The interesting results have been obtained.
Keywords :
LC/MS , Electrospray , CODA , Walk-up , Chemometrics
Journal title :
Analytica Chimica Acta
Serial Year :
2001
Journal title :
Analytica Chimica Acta
Record number :
1029831
Link To Document :
بازگشت