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Methods and principles of selecting a subset of attributes for use in further modelling

2 votes
2 answers
2k views

Detecting redundancy with Pearson correlation in continuous features

I have a set of variables that I want to use for a regression or a classification problem. Having computed the correlation matrix of these variables, I discovered that some of them has an inter-varia …
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  • 275
11 votes
2 answers
15k views

Dissmissing features based on correlation with target variable

Is it valid to dismiss features based on their Pearson correlation values with the target variable in a classification problem? say for instance I have a dataset with the following format where the ta …
MedAli's user avatar
  • 275