Feature Selection using Hierarchical Clustering | Python Tutorial

Veröffentlicht am: 01 April 2024
auf dem Kanal: A Data Odyssey

7,119

148

In this comprehensive Python tutorial, we delve into feature selection for machine learning with hierarchical clustering. We guide you through the essentials of partitioning features into cohesive groups to minimize redundancy in model training. This technique is particularly important as your dataset expands, offering a structured alternative to manual grouping.

What you'll learn:
The importance of variable clustering algorithms in handling large feature sets.
Detailed application of hierarchical clustering to form intuitive feature groups with a focus on Ward’s distance metric.
Visualising clusters using a Dendrogram
A comparative analysis highlighting the advantages of hierarchical clustering over other clustering methods.
Insights into the method's output using correlation heatmaps, demonstrating the formation of homogeneous feature groups.

Why is this important?
In the data-driven industry, navigating through hundreds or thousands of potential features in your dataset is a challenge. While dimensionality reduction methods like PCA offer a solution, the result is hard-to-interpret features. Hierarchical clustering emerges as a hero, paving the way for an interpretable model with a concise feature list.

🚀 Free Course 🚀
Signup here: https://mailchi.mp/40909011987b/signup
XAI course: https://adataodyssey.com/courses/xai-...
SHAP course: https://adataodyssey.com/courses/shap...

🚀 Companion article with link to code (no-paywall link): 🚀
https://medium.com/data-science/featu...

🚀 Useful playlists 🚀
XAI:    • Explainable AI (XAI)
SHAP:    • SHAP
Algorithm fairness:    • Algorithm Fairness

🚀 Get in touch 🚀
Medium:   / conorosullyds
Threads: https://www.threads.net/@conorosullyds
Twitter:   / conorosullyds
Website: https://adataodyssey.com/

🚀 Chapters 🚀
00:00 Introduction
00:50 What is feature selection?
01:37 Theory of Hierarchical Clustering
06:35 Applying Hierarchical Clustering
09:31 Visualising the Dendrogram
10:43 Feature selection
13:23 Sense-checking clusters

Auf dieser Seite können Sie das Online-Video Feature Selection using Hierarchical Clustering | Python Tutorial mit der Dauer stunde minuten sekunde in guter Qualität ansehen, das der Benutzer A Data Odyssey 01 April 2024 hochgeladen hat, den Link mit Freunden und Bekannten teilen, dieses Video wurde auf Youtube bereits 7,119 Mal angesehen und es wurde von 148 den Zuschauern gefallen. Viel Spaß beim Betrachtenden Zuschauern gefallen!

113