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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 …
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 …