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Friday, September 05, 2025

Zhuo Yao, Ph.D.

Professional Website of Dr. Zhuo Yao
Zhuo Yao, Ph.D.
Professional Website of Dr. Zhuo Yao
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Category: Statistics

Statistics

Clustering as a Mixture of Gaussians

construction supervison 12/06/2013

Introduction to Model-Based Clustering There’s another way to deal with clustering problems: a model-based approach, which consists in using certain models for clusters and attempting to optimize…

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Statistics

Hierarchical Clustering Algorithms

construction supervison 12/06/2013

How They Work Given a set of N items to be clustered, and an N*N distance (or similarity) matrix, the basic process of hierarchical clustering…

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Statistics

K-Means Clustering

construction supervison 12/06/2013

The Algorithm K-means (MacQueen, 1967) is one of the simplest unsupervised learning algorithms that solve the well known clustering problem. The procedure follows a simple…

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Statistics

Clustering: An Introduction

construction supervison 12/06/2013

What is Clustering? Clustering can be considered the most important unsupervised learning problem; so, as every other problem of this kind, it deals with finding a structure in a…

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Statistics

How to choose between Pearson and Spearman correlation?

construction supervison 05/02/2013

How do I know when to choose between Spearman’s ρ and Pearson’s r? My variable includes satisfaction and the scores were interpreted using the sum of the scores.…

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