Top "Decision-tree" questions

A decision tree is a decision support tool that uses a tree-like graph or model of decisions and their possible consequences, including chance event outcomes, resource costs, and utility.

cross validation + decision trees in sklearn

Attempting to create a decision tree with cross validation using sklearn and panads. My question is in the code below, …

machine-learning decision-tree cross-validation
C++ Decision Tree Implementation Question: Think In Code

I've been coding for a few years but I still haven't gotten the hang of pseudo-coding or actually thinking things …

c++ machine-learning decision-tree entropy
Different decision tree algorithms with comparison of complexity or performance

I am doing research on data mining and more precisely, decision trees. I would like to know if there are …

performance machine-learning complexity-theory classification decision-tree
How to plot a large ctree() to avoid overlapping nodes

When I plotted the decision tree result from ctree() from party package, the font was too big and the box …

r output decision-tree
confused about random_state in decision tree of scikit learn

Confused about random_state parameter, not sure why decision tree training needs some randomness. My thoughts, (1) is it related to …

python python-2.7 machine-learning scikit-learn decision-tree
Help Understanding Cross Validation and Decision Trees

I've been reading up on Decision Trees and Cross Validation, and I understand both concepts. However, I'm having trouble understanding …

algorithm machine-learning decision-tree
Using GridSearchCV with AdaBoost and DecisionTreeClassifier

I am attempting to tune an AdaBoost Classifier ("ABT") using a DecisionTreeClassifier ("DTC") as the base_estimator. I would like …

python scikit-learn decision-tree adaboost grid-search
Data Prediction using Decision Tree of rpart

I am using R to classify a data-frame called 'd' containing data structured like below: The data has 576666 rows and …

r machine-learning classification decision-tree rpart
What does `sample_weight` do to the way a `DecisionTreeClassifier` works in sklearn?

I've read from this documentation that : "Class balancing can be done by sampling an equal number of samples from each …

scikit-learn random-forest decision-tree
rapid miner: how to add a 'label' attribute to a dataset?

I want to apply a decision tree learning algorithm to a dataset I have imported from a CSV. The problem …

machine-learning data-mining decision-tree rapidminer