Top "Feature-selection" questions

In machine learning, this is the process of selecting a subset of most relevant features to construction your data model.

How to rank features by their importance in a Weka classifier?

I use Weka to successfully build a classifier. I would now like to evaluate how effective or important my features …

machine-learning nlp weka feature-selection text-classification
Plot importance variables xgboost Python

When I plot the feature importance, I get this messy plot. I have more than 7000 variables. I understand the built-in …

python matplotlib machine-learning xgboost feature-selection
Interpreting logistic regression feature coefficient values in sklearn

I have fit a logistic regression model to my data. Imagine, I have four features: 1) which condition the participant received, 2) …

python scikit-learn logistic-regression feature-selection coefficients
python feature selection in pipeline: how determine feature names?

i used pipeline and grid_search to select the best parameters and then used these parameters to fit the best …

scikit-learn pipeline feature-selection
What does get_fscore() of an xgboost ML model do?

Does anybody how the numbers are calculated? In the documentation it says that this function "Get feature importance of each …

python feature-selection xgboost
python: How to get real feature name from feature_importances

I am using Python's sklearn random forest (ensemble.RandomForestClassifier) to do classification and am using feature_importances_ to find significant …

python scikit-learn classification feature-selection
Matlab: Kmeans gives different results each time

I running kmeans in matlab on a 400x1000 matrix and for some reason whenever I run the algorithm I get …

matlab k-means feature-selection
Feature selection on a keras model

I was trying to find the best features that dominate for the output of my regression model, Following is my …

python-3.x scikit-learn deep-learning keras feature-selection
Perform Chi-2 feature selection on TF and TF*IDF vectors

I'm experimenting with Chi-2 feature selection for some text classification tasks. I understand that Chi-2 test checks the dependencies B/…

machine-learning scikit-learn feature-selection
Visual Studio 2013 Optional Features to Install

I am installing visual studio 2013 professional edition on my development box and have question on what features need to install .. …

installation visual-studio-2013 feature-selection