Modeling variable selection method based on correlation and principal component analysis
A technique of principal component analysis and principal component analysis, applied in character and pattern recognition, special data processing applications, instruments, etc., can solve problems such as redundancy, failure to reflect system output, irrelevance, etc.
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[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific preferred embodiments.
[0037] A modeling variable selection method based on correlation and principal component analysis, characterized in that: using the information entropy theory to calculate the correlation information coefficient between influencing factors, eliminating redundant variables, and then using principal component analysis to extract the remaining variable principal components, To reduce the number of modeling variables, the specific steps are as follows:
[0038] A modeling variable selection method based on correlation and principal component analysis, characterized in that: using the information entropy theory to calculate the correlation information coefficient between influencing factors, eliminating redundant variables, and then using principal component analysis to extract the remaining variable principal components, To reduce the num...
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