2025 Natural Language Processing (NLP) Mastery in Python

所在平台: Udemy

课程主页: https://www.udemy.com/course/nlp-in-python/

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课程名称:2025年自然语言处理(NLP)精通Python 课程概述:本课程将从零开始教您自然语言处理(NLP),特别适合Python初学者。总共超过38小时的有趣内容,这是一段动手学习的旅程,涵盖了处理文本数据和部署机器学习模型的基本技术和工具。课程结束时,您将掌握文本处理、机器学习、深度学习和文本分类模型的宝贵技能。 课程介绍:课程开始于机器学习原理的温和介绍,并提供清晰的概述。在安装必要的软件(如Anaconda、Python、VS Code和Git Bash)后,您将通过逐步指导来配置运行Python代码的环境(支持Windows、Ubuntu和Mac),并无缝使用Jupyter Notebooks。 Python快速入门:建立机器学习所需的坚实Python基础,学习数据类型、控制流、循环、函数及错误处理,掌握如何有效使用列表、字典、集合和元组,帮助您迅速编写出清晰、高效的代码。 Numpy快速入门:掌握Numpy这一Python数值计算的重要库,学习创建和操作数组,以及如何处理多维数组,进行统计运算。 Pandas快速入门:深入Pandas,这一数据处理和分析的关键工具,掌握如何加载、过滤、切片和清洗数据,使用Groupby、聚合和合并等高级技术。 处理文本文件:学习处理各种文件格式,从基本文本文件到CSV、Excel和JSON文件,重点在于如何写入、读取和处理这些文件以为机器学习任务准备数据。 掌握Python中的正则表达式:了解正则表达式(Regex)在有效清理和预处理文本数据方面的强大功能。 Spacy文本处理简介:学习如何使用Spacy这一行业标准库进行文本处理,掌握分词、词性标注和命名实体提取等技能。 NLTK文本处理:探索NLTK工具包以进行文本处理,学习分词、词干提取和词形还原等技术。 完整文本清洗和处理:深入常见的文本清洗任务,如去除URL、提到、标签和停用词,并学习如何进行拼写纠正和情感分析。 创建自己的文本处理Python包:学习如何构建自己的Python包,封装文本处理工作流的方法,并了解工具如setup.py的重要性。 在PyPi上发布Python包:学习如何将您创建的文本处理包发布到PyPi,以便他人通过pip轻松安装,并了解GitHub的使用。 线性回归与面试问题:掌握线性回归这一基础机器学习算法,学习如何实现预测,并了解其评价指标。 逻辑回归与面试问题:深入逻辑回归,理解其在二分类任务中的应用。 支持向量机、KNN、决策树和随机森林:了解常见的机器学习分类器,训练和调优模型以提高性能。 垃圾邮件文本分类:学习如何构建垃圾邮件分类器,掌握特征提取、数据加载、模型训练及评估。 IMDB电影评论情感分析:通过情感分析预测IMDB的影评,使用TF-IDF和各种机器学习模型进行分析。 使用Flask进行机器学习模型部署:了解如何将机器学习模型作为Web应用程序进行部署。 多标签文本分类:掌握多标签分类技术,专注于预测多个标签。 使用Word2Vec嵌入进行情感分析:深入研究Word2Vec和GloVe等词嵌入技术,以提高情感分析模型的性能。 使用Spacy进行简历解析:实施命名实体识别(NER),自动提取简历中的关键信息。 深度学习情感分析:探索深度学习技术在文本情感分析中的应用,包括构建和训练人工神经网络和卷积神经网络。 使用深度学习进行仇恨言论分类:聚焦于仇恨言论的深度学习分类,构建模型以分类推文。 使用LSTM和TensorFlow/Keras生成诗歌:探索如何利用LSTM网络自动生成文本,了解文本生成领域中的创造性应用。 使用深度学习对灾难推文进行分类:了解如何将情感分析应用于灾害管理的实际场景。 每个部分将增进您的知识,并为您准备自然语言处理和机器学习中的实际任务创造机会,助您掌握真正的项目经验,并为NLP工作的准备做好铺垫。请注意,课程需要从外部网站下载Anaconda和/或Docker Desktop。如果您是Udemy Business用户,在下载软件前请先咨询您的雇主。

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课程详情

This comprehensive course will teach you Natural Language Processing (NLP) from scratch, leveraging Python for beginners. With over 38 hours of engaging content, this course is a hands-on learning journey that covers fundamental techniques and tools to process text data and deploy machine learning models. By the end of the course, you'll gain valuable skills to implement text processing, machine learning, deep learning, and text classification models.Introduction:Start your journey with a gentle introduction to machine learning principles. You'll get a clear overview of this exciting field before jumping into installing all necessary software like Anaconda, Python, VS Code, and Git Bash. With step-by-step instructions for different operating systems (Windows, Ubuntu, and Mac), you'll be equipped to run Python code seamlessly using Jupyter Notebooks.Python Crash Course for Machine Learning:Build a solid foundation in Python, specifically tailored for machine learning. Learn Python data types, control flow, loops, functions, and error handling. You'll master using lists, dictionaries, sets, and tuples effectively, enabling you to write clean, efficient code in no time.Numpy Crash Course for Machine Learning:Gain proficiency in Numpy, the essential library for numerical computing in Python. Learn how to create, manipulate, and perform statistical operations on arrays. You'll also understand how to work with multidimensional arrays, reshaping them, and performing advanced operations like sorting and handling NaN values, key to working with datasets in ML.Pandas Crash Course for Machine Learning:In this section, you'll dive into Pandas, a critical tool for data manipulation and analysis. Learn how to load, filter, slice, and clean your data using advanced techniques like Groupby, Aggregation, and merging. You'll also focus on handling missing data and effectively preparing data for ML algorithms.Working with Text Files:Understand how to handle a variety of file formats, from basic text files to CSV, Excel, and JSON files. You'll explore how to write, read, and process these files to extract and prepare the information for Machine Learning tasks. Special focus will be given to cleaning and extracting data from complex files like PDFs and audio files.Mastering Regular Expressions with Python:Learn the power of Regular Expressions (Regex) to clean and preprocess text data efficiently. This section covers pattern matching, extracting relevant information, and working with text data using regex functions in Python.Spacy Introduction for Text Processing:Discover Spacy, an industry-standard library for text processing and NLP. You'll learn how to tokenize, tag parts of speech (POS), and extract named entities like person names and locations using Spacy's pre-built models. These tools will be crucial in processing large amounts of text data.NLTK for Text Processing:Explore the Natural Language Toolkit (NLTK) for text processing. Learn tokenization, stemming, and lemmatization. You'll also get hands-on with Named Entity Recognition (NER), chunking, and identifying collocations in text data.Complete Text Cleaning and Text Processing:Go deep into text cleaning with a full overview of common cleaning tasks, such as removing URLs, mentions, hashtags, and stopwords, as well as expanding contractions. You'll also be introduced to advanced tasks like spelling correction, word cloud visualizations, and sentiment analysis using the TextBlob library.Make Your Own Text Processing Python Package:This section empowers you to build your own Python package. After setting up your project directory and necessary files, you'll implement methods to encapsulate your text processing workflows. Learn the significance of tools like setup[dot]py for package distribution.Publish Your Python Package on PyPi for Easy Installation:Learn the process of publishing your text processing package on PyPi, making it easy for others to install via pip. This section walks you through creating GitHub repositories, uploading your work, and sharing your package for open-source usage.Linear Regression and Interview Questions:Gain insights into one of the foundational machine learning algorithms-Linear Regression. Learn how to code it for tasks like predicting housing prices and using evaluation metrics like Mean Squared Error (MSE). You'll also explore common interview questions on regression models.Logistic Regression and Interview Questions:Delve into Logistic Regression, understanding how it works for binary classification tasks like predicting whether a tumor is malignant or benign. Get ready to answer key questions about cost functions, entropy, and overfitting.SVM, KNN, Decision Tree, Random Forest and Interview Questions:In this section, understand some of the most common machine learning classifiers, such as Support Vector Machine (SVM), K-Nearest Neighbors (KNN), and Decision Trees. You will train models and fine-tune them for optimal performance.Spam Text Classification:Learn how to build a spam email classifier using classic techniques like Bag of Words (BoW) and TF-IDF. You'll explore the process from feature extraction, data loading, model training, and evaluation.Sentiment Analysis on IMDB Movie Reviews:Explore sentiment analysis by predicting movie reviews from IMDB. You'll use TF-IDF and various machine learning models like Logistic Regression and SVM for analysis, gaining crucial insights into working with text sentiment classification tasks.ML Model Deployment with Flask:Learn how to deploy machine learning models as a web application using Flask. This section covers setting up a Flask server, running your ML models on it, and deploying your machine learning API for real-time prediction.Multi-Label Text Classification for Tag Prediction:Master multi-label classification, a technique where each instance can belong to more than one label. You'll apply it to the Stack Overflow dataset, focusing on predicting multiple tags for a post.Sentiment Analysis using Word2Vec Embeddings:Dive deeper into word embeddings like Word2Vec and GloVe to enhance your sentiment analysis models. By training machine learning algorithms using these word vectors, you'll increase the performance and accuracy of your models.Resume Parsing with Spacy:Learn to implement Named Entity Recognition (NER) using Spacy for parsing Resumes (CVs). This powerful skill can automate tasks such as extracting key information from resumes, which is highly applicable in talent acquisition or HR automation.Deep Learning for Sentiment Analysis:Explore Deep Learning techniques for text sentiment analysis, including building and training an Artificial Neural Network (ANN) and a Convolutional Neural Network (CNN). Understand why deep learning models are so effective in working with complex text data.Hate Speech Classification using Deep Learning:Focus on Deep Learning for classifying text, especially for applications like hate speech detection. By building a model using CNN, you will classify tweets and gain understanding of building powerful models for text categorization.Poetry Generation Using LSTM and TensorFlow/Keras:Explore how to generate text automatically with Long Short-Term Memory (LSTM) networks using TensorFlow and Keras. By training your models on poetry datasets, you'll understand how to create creative applications in the field of text generation.Disaster Tweets Classification Using Deep Learning:Learn how to classify Disaster Tweets with deep learning and embeddings. This project helps you see how sentiment analysis can be scaled to real-world scenarios with a focus on disaster management communication analysis.Each section of this course will enrich your knowledge and prepare you for hands-on tasks in Natural Language Processing and Machine Learning, creating opportunities to master real-world projects and prepare for job-ready NLP tasks.Note:This course requires you to download Anaconda and/or Docker Desktop from external websites. If you are a Udemy Business user, please check with your employer before downloading software.

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