Top "Random-forest" questions

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

How does sklearn random forest index feature_importances_

I have used the RandomForestClassifier in sklearn for determining the important features in my dataset. How am I able to …

python scikit-learn random-forest feature-selection
How do you access tree depth in Python's scikit-learn?

I'm using scikit-learn to create a Random Forest. However, I want to find the individual depths of each tree. It …

python scikit-learn random-forest decision-tree depth
Incremental training of random forest model using python sklearn

I am using the below code to save a random forest model. I am using cPickle to save the trained …

python pickle random-forest training-data
Random Forest hyperparameter tuning scikit-learn using GridSearchCV

I am trying to use Random forest for my problem (below is a sample code for boston datasets, not for …

python scikit-learn random-forest grid-search
How to output RandomForest Classifier from python?

I have trained a RandomForestClassifier from Python Sckit Learn Module with very big dataset, but question is how can I …

python scikit-learn random-forest
Scikit learn - fit_transform on the test set

I am struggling to use Random Forest in Python with Scikit learn. My problem is that I use it for …

machine-learning classification scikit-learn random-forest text-classification
Error in train.default(x, y, weights = w, ...) : final tuning parameters could not be determined

I am very new at machine learning and am attempting the forest cover prediction competition on Kaggle, but I am …

r random-forest r-caret kaggle
How to know if a regression model generated by random forests is good? ( MSE and %Var(y))

I tried to use random forests for regression. The original data is a data frame of 218 rows and 9 columns. The …

r random-forest variance mean-square-error
Combining random forests built with different training sets in R

I am new to R (day 2) and have been tasked with building a forest of random forests. Each individual random …

r statistics machine-learning random-forest
What does the value of 'leaf' in the following xgboost model tree diagram means?

I am guessing that it is conditional probability given that the above (tree branch) condition exists. However, I am not …

python machine-learning random-forest decision-tree xgboost