Top "Random-forest" questions

In learning algorithms and statistical classification, a random forest is an ensemble classifier that consists in many decision trees.

R randomForest for classification

I am trying to do classification with randomForest, but I am repeatedly getting an error message for which there seems …

r classification data-analysis random-forest
R is there a way to find Inf/-Inf values?

I'm trying to run a randomForest on a large-ish data set (5000x300). Unfortunately I'm getting an error message as follows: &…

r random-forest na
Difference between varImp (caret) and importance (randomForest) for Random Forest

I do not understand which is the difference between varImp function (caret package) and importance function (randomForest package) for a …

r random-forest r-caret feature-selection
Recursive feature elimination on Random Forest using scikit-learn

I'm trying to preform recursive feature elimination using scikit-learn and a random forest classifier, with OOB ROC as the method …

python pandas scikit-learn random-forest feature-selection
What is the difference between cross_val_score with scoring='roc_auc' and roc_auc_score?

I am confused about the difference between the cross_val_score scoring metric 'roc_auc' and the roc_auc_score …

python machine-learning scikit-learn random-forest cross-validation
How to cross validate RandomForest model?

I want to evaluate a random forest being trained on some data. Is there any utility in Apache Spark to …

apache-spark random-forest cross-validation apache-spark-ml apache-spark-mllib
Error with Sklearn Random Forest Regressor

When trying to fit a Random Forest Regressor model with y data that looks like this: [ 0.00000000e+00 1.36094276e+02 4.46608221e+03 8.72660888e+03 1.31375786…

python numpy machine-learning scikit-learn random-forest
ROC curve for classification from randomForest

I am using randomForest package in R platform for classification task. rf_object<-randomForest(data_matrix, label_factor, cutoff=…

r random-forest roc
Error when using predict() on a randomForest object trained with caret's train() using formula

Using R 3.2.0 with caret 6.0-41 and randomForest 4.6-10 on a 64-bit Linux machine. When trying to use the predict() method …

r formula random-forest r-caret predict
OpenCV - Random Forest Example

Does anyone have some example using Random Forests with the 2.3.1 API Mat and not the cvMat? Basically I have a …

c++ opencv decision-tree random-forest