Python realization of nonlinear correlation analys
2016-08-23
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Mainly realize the nonlinear correlation analysis of y=5X1^3+4X2^2+X6 form. Assuming there are 20 independent variables x1,... X20, you want to find the most relevant to the Y several variables, it can be said to be the greatest impact on the Y variables. The code for all x respectively and Y correlation analysis, adopted here is polyfit function and get x coefficient and frequency and R square value and then to X are ranked according to the size of the R square value, before a few (personally think, generally not more than five)
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