query: Random Forest after PCA results don't make sense
positive_passages.docid: 22551
positive_passages.text: What can cause PCA to worsen results of a classifier?
negative_passages.docid: 139415
negative_passages.text: Interpretation of Importance score in Random Forest
negative_passages.docid: 125697
negative_passages.text: How to determine significant principal components using bootstrapping or Monte Carlo approach?
negative_passages.docid: 154304
negative_passages.text: Do PCA affect different classification methods?
negative_passages.docid: 25410
negative_passages.text: What is an intuitive explanation for how PCA turns from a geometric problem (with distances) to a linear algebra problem (with eigenvectors)?
negative_passages.docid: 90089
negative_passages.text: Why are PCA eigenvectors orthogonal and what is the relation to the PCA scores being uncorrelated?
negative_passages.docid: 55847
negative_passages.text: PCA demeaning the data
negative_passages.docid: 151799
negative_passages.text: Decision tree not using all features from training dataset
negative_passages.docid: 83292
negative_passages.text: Manually calculated $R^2$ doesn't match up with randomForest() $R^2$ for testing new data
negative_passages.docid: 14181
negative_passages.text: Can averaging all the variables be seen as a crude form of PCA?
negative_passages.docid: 6058
negative_passages.text: Visualizing a million, PCA edition
negative_passages.docid: 81645
negative_passages.text: Combining PCA, feature scaling, and cross-validation without training-test data leakage
negative_passages.docid: 135047
negative_passages.text: Why does PCA maximize total variance of the projection?
negative_passages.docid: 95663
negative_passages.text: How to interpret Mean Decrease in Accuracy and Mean Decrease GINI in Random Forest models
negative_passages.docid: 114794
negative_passages.text: Is there any advantage of SVD over PCA?
negative_passages.docid: 140210
negative_passages.text: What does "node size" refer to in the Random Forest?
negative_passages.docid: 151724
negative_passages.text: Why is pruning not needed for random forest trees?