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

2
votes
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In feature selection (for a regression problem), can features that are negatively correlated with the target variable be chosen to predict the target? I don't think negative correlation means the pre …
asked Jul 23 '20 by Bharathi
3
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I have a dataset with one of the categorical columns having a considerable number of missing values. The interesting thing about this column is that it has values only for a particular category in "a …
asked Aug 21 '20 by Bharathi