All Questions
4 questions
1vote
1answer
175views
integration of Feature Selection in Pipeline
I have noticed integrating feature selection in a pipeline alters results. Pipeline 1 gives slightly different results with pipeline 2. Why should this be so? Pipeline 2 ...
1vote
1answer
853views
Does sklearn perform feature selection within cross validation?
I would like to add a feature selector on my pipeline and use gridsearchcv to tune both the hyperparameters of the selector and the classifier(s). I am wondering if sklearn performs feature selection ...
1vote
0answers
112views
How to implement kfold and cv into Hybrid feature selection and evaluate the classification model performance?
I have been working on a Hybrid feature selection combined with hyperopt package for hyperparameter tuning and I am thinking about evaluating the performance of several model classifiers. I looked ...
1vote
1answer
255views
Using of 100s of Binary features in regression model
I have 100s of columns with binary values [0, 1] plus some extra columns without binary values. I am trying to do regression model but the model performance is very low. For non-binary features, I ...