Ben Chuanlong Du's Blog

It is never too late to learn.

Tree-Based Models in scikit-learn

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Comments

  1. If you want a simple decision tree,

DecisionTreeRegressor is prefer to DecisionTreeClassifier as DecisionTreeRegressor is more flexible.

As a matter of fact, ensemble tree-based models (no matter classifiers or regressors) are based on DecisionTreeRegressor instead of DecisionTreeClassifier .

Visualize Decision Trees

What is the meaning of "value" in a node in sklearn decisiontree plot_tree

Tips on the Mojo Programming Language

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Check installed Python packages in Mojo notebook.

%%python
import os
os.system("pip list")

References

https://playground.modular.com/

Get Location of Max Value in a Pandas Series

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

idxmax Return the row label of the maximum value.

argmax: Return int position of the largest value in the Series.

Python Modules for Visualization

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

The website The Python Graph Gallery displays hundreds of charts, always providing the reproducible python code! It aims to showcase the awesome dataviz possibilities of python and to help you benefit …