Briefly describe the Iterative K-means clustering algorithm?
Himanshu KulshreshthaElite Author
Asked: April 6, 20242024-04-06T13:23:09+05:30 2024-04-06T13:23:09+05:30In: Development and Management
Briefly describe the Iterative K-means clustering algorithm?
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The Iterative K-means clustering algorithm is an iterative refinement approach to partition a dataset into K clusters based on similarity of data points. It is a widely used unsupervised learning algorithm for clustering analysis. The algorithm aims to minimize the sum of squared distances (also known as inertia) between data points and their respective cluster centroids.
Here's a brief description of the Iterative K-means algorithm:
Initialization:
Assignment Step:
Update Step:
Convergence Check:
Algorithm Termination:
The key idea behind the Iterative K-means algorithm is to iteratively refine the initial cluster centroids by repeatedly assigning data points to clusters based on proximity to centroids and updating centroids based on the mean of assigned data points. This process optimizes the clustering objective (minimizing intra-cluster variance) and converges to a locally optimal solution.
Although the Iterative K-means algorithm is effective for many clustering tasks, it has some limitations such as sensitivity to initial centroid selection, tendency to converge to local optima, and requirement of predefined number of clusters (K). To mitigate these limitations, variations of K-means have been developed, including K-means++, MiniBatch K-means, and Hierarchical K-means, which enhance performance and robustness for different types of datasets and applications.