Machine Learning Application: Data Science Practice

This document explores the principles underlying several machine learning methods and their application in determining the price category of mobile phones. It covers topics such as machine learning pipelines, collaborative filtering, logistic regression, and K-means clustering. The document provides an introduction, objective, key system concepts, application of pipelines, collaborative filtering, logistic regression, and K-means, and a conclusion. It also includes references and an appendix with code snippets.