Questions tagged [cart]
The cart tag has no usage guidance.
6
questions
1
vote
1answer
18 views
Random selection of variables in each run of python sklearn decision tree (regressio )
When I put random_state = None and run Decision tree for regression in python sklearn, it takes different variables to build tree each time?
Shouldn't there be only ...
1
vote
0answers
31 views
Prediction in CART Decision Trees
I was studying the algorithm of CART (classification and regression trees), but the formula of the prediction is irritating me.
First we have the following definition:
Let $X:={x_1,...,x_N} \subset \...
1
vote
0answers
17 views
What is the difference between a decision tree and something called “subgroup discovery algorithms”?
I'm reading a paper which states that subgroup discovery is:
...
2
votes
1answer
36 views
Problems with decision tree labeling of nodes
Decision trees as we know assigns label to the node based on majority class voting. I am curious to find that what could be the problems with such labeling schemes? Does it lead to overfitting the ...
1
vote
0answers
27 views
CART classification for imbalanced datasets with R
Hey guys i need your help for a university project. The main Task is to analyze the effects of over/under-smapling on a imbalanced Dataset. But before we can even start with that, our task sheet says, ...
3
votes
1answer
65 views
Make a random forest estimator the exact same of a decision tree
The idea is to make one of the trees of a Random Forest, to be built exactly equal to a Decision Tree.
First, we load all libraries, fit a decision tree and plot it.
...
