ML Coding Question - Implement K-Means (Full Mock Interview with Snapchat MLE)
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In this video, we explore a Python implementation of the k-means clustering algorithm, an unsupervised technique for grouping similar data points into clusters. This AI implementation clarifies assumptions such as Euclidean distance and user-defined iterations. It utilizes a class-based structure with NumPy arrays for efficient distance calculations and cluster assignments, while also discussing potential enhancements like convergence criteria and data-driven initialization.
Chapters (Powered by ChapterMe) -
00:00 - Introduction to K-means for Unsupervised Clustering
00:50 - Understanding the Clustering Algorithm and Euclidean Distance
01:46 - K-means Training: Input Features and Algorithm Basics
07:01 - Implementing K-means Clustering with Prediction
08:49 - Python Implementation of the Centroid Algorithm
14:41 - Utilizing Random Centroids with NumPy
17:21 - Algorithm Iterations and Distance Calculations
20:45 - Detailed Python Implementation: Indexing, Centroids, and Prediction
25:49 - Tips and Advice for Clustering and Data Evaluation
26:46 - Evaluating Cluster Performance in Machine Learning
28:54 - Summary of K-means Algorithm Implementation
31:26 - Concluding Remarks: Modularity, Limitations, and Coding Practices
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