Sample and Variable Selection: Difference between revisions
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:[[stdsslct]] - Selects data subsets (often for use in standardization). | :[[stdsslct]] - Selects data subsets (often for use in standardization). | ||
====Variable Selection==== | ====[[Variable Selection]]==== | ||
:[[fullsearch]] - Exhaustive Search Algorithm for small problems. | :[[fullsearch]] - Exhaustive Search Algorithm for small problems. | ||
:[[genalg]] - Genetic Algorithm for Variable Selection. See also [[Genetic Algorithms for Variable Selection]]. | :[[genalg]] - Genetic Algorithm for Variable Selection. See also [[Genetic Algorithms for Variable Selection]]. | ||
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:[[vip]] - Calculate Variable Importance in Projection from regression model. | :[[vip]] - Calculate Variable Importance in Projection from regression model. | ||
:[[sratio]] - Calculates selectivity ratio for a given regression model. | :[[sratio]] - Calculates selectivity ratio for a given regression model. | ||
:[[selectvars]] - Selects variables that are predictive. | :[[selectvars]] - Selects variables that are predictive. | ||
====Variable Correlation Analysis==== | ====Variable Correlation Analysis==== | ||
Latest revision as of 10:22, 15 November 2019
Sample Selection
- distslct - Selects samples on outside of data space.
- doptimal - Selects samples based on D-Optimal criteria.
- kennardstone - Select a subset of samples from a data set by the Kennard-Stone algorithm.
- reducennsamples - Selects a subset of samples by removing nearest neighbors.
- stdsslct - Selects data subsets (often for use in standardization).
Variable Selection
- fullsearch - Exhaustive Search Algorithm for small problems.
- genalg - Genetic Algorithm for Variable Selection. See also Genetic Algorithms for Variable Selection.
- gaselctr - Genetic algorithm for variable selection with PLS.
- ipls - Interval PLS variable selection. See also Interval PLS (IPLS) for Variable Selection.
- rpls - Recursive PLS (and PCR) variable selection.
- calibsel - Statistical procedure for variable selection.
- vip - Calculate Variable Importance in Projection from regression model.
- sratio - Calculates selectivity ratio for a given regression model.
- selectvars - Selects variables that are predictive.
Variable Correlation Analysis
- corrmap - Correlation map with variable grouping.
- durbin_watson - Criterion for measure of continuity.
- super_reduce - Eliminates highly correlated variables.
Related Tools
- lamsel - Determines indices of wavelength axes in specified ranges.
- specedit - GUI for selecting spectral regions on a plot.
- fullsearch - Exhaustive Search Algorithm for small problems.
(Sub topic of Statistics and Editing Preprocessing and Standardization)