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所在平台: Udemy |
课程主页: https://www.udemy.com/course/automating-ml-pipelines-for-song-recommendation-system/
课程评论:没有评论
课程名称:自动化音乐推荐系统的机器学习管道 课程概述: 本课程着重于音乐推荐系统中的机器学习算法的数学原理,主要涵盖以下内容: 1. **K-近邻算法(KNN)**:用来根据用户偏好寻找相似歌曲的方法。 2. **随机森林(RF)**:通过结合多个决策树以获得更准确的预测。 3. **主成分分析(PCA)**:减少特征数量的技术,同时保留重要信息。 4. **K均值聚类**:根据特征将相似歌曲归类的方法。 5. **协同过滤**:基于用户互动和偏好的推荐系统。 数据处理技巧部分包括: - **特征工程**:利用随机森林分析特征重要性,并从现有数据中创建新特征以提高模型准确性。 - **数据预处理**:规范和准备数据以便进行分析,特别是缺失数据的填补。 在评估和调优阶段,学习内容包括: - 超参数调整(协同过滤、KNN、朴素贝叶斯分类器):调整算法设置以提高性能。 - 评估指标(精确度、召回率、ROC、准确率、均方误差):衡量模型表现的方法。 数据科学基础部分涵盖: - **TF-IDF**(词频与逆文档频率):分析歌曲歌词中单词重要性的技术。 - **相关性分析**:理解不同特征之间的关系。 - **T检验**:比较数据组之间的统计方法。 自动化工具模块包括: - **使用Docker构建微服务**:利用容器在不同环境中一致性地运行应用程序。 - **Airflow**:自动化工作流并安排任务以运行机器学习模型。 - **MLFlow**:有效管理和跟踪机器学习实验和模型。 通过本课程的学习,您将掌握如何构建和自动化机器学习模型的训练、评估和部署,具体应用于音乐推荐系统,使用上述工具、库和技术。
Math Behind Machine Learning Algorithms:K-Nearest Neighbors (KNN): A method for finding similar songs based on user preferences.Random Forest (RF): An algorithm that combines many decision trees for better predictions.Principal Component Analysis (PCA): A technique for reducing the number of features while retaining important information.K-Means Clustering: A way to group similar songs together based on features.Collaborative Filtering: Making recommendations based on user interactions and preferences.Data Processing Techniques:Feature Engineering (Feature Importance using Random Forest): Feature importance analysis and creating new features from existing data to improve model accuracy.Data Pre-processing (Missing Data Imputation): Cleaning and preparing data for analysis.Evaluation and Tuning:Hyperparameter Tuning (Collaborative Filtering, KNN, Naive Bayes Classifier): Adjusting the settings of algorithms to improve performance.Evaluation Metrics (Precision, Recall, ROC, Accuracy, MSE): Methods to measure how well the model performs.Data Science Fundamentals:TF-IDF (Term Frequency and Inverse Document Frequency): A technique for analyzing the importance of words in song lyrics.Correlation Analysis: Understanding how different features relate to each other.T-Test: A statistical method for comparing groups of data.Automation Tools:Building Microservices using Docker: Use containers to run applications consistently across different environments.Airflow: Automate workflows and schedule tasks for running ML models.MLFlow: Manage and track machine learning experiments and models effectively.By the end of the course, you will know how to build and automate the training, evaluation, and deployment of an ML model for a song recommendation system using these tools, libraries and techniques.