Logistic Regression for Text Classification

Sentiment analysis for movie reviews
4.20 (32 reviews)
Udemy
platform
English
language
Data Science
category
instructor
Logistic Regression for Text Classification
1 510
students
1 hour
content
Apr 2021
last update
FREE
regular price

Why take this course?

🧠 Dive into Data Science: Sentiment Analysis & Logistic Regression for Text Classification 🌐

Course Title: Logistic Regression for Text Classification

Course Headline: Master Sentiment Analysis in Movie Reviews with Logistic Regression!


Are you ready to unlock the power of sentiment analysis within the realm of natural language processing? Logistic Regression for Text Classification is tailored for graduates and postgraduates eager to delve into the exciting world of data science and machine learning. Join our expert instructor, Muskan Garg, and embark on a journey through the nuances of logistic regression, with a focus on classifying sentiment in movie reviews.

Why This Course?

  • Comprehensive Understanding: Gain insights into both theoretical underpinnings and practical applications of logistic regression.
  • Real-World Application: Learn by applying your knowledge to the field of sentiment analysis in text classification, specifically using movie reviews as your dataset.
  • Hands-On Experience: Engage with video lectures that provide clear explanations of complex concepts like feature extraction, feature selection, and model interpretation.

Course Highlights:

  • 🎬 Feature Extraction & Selection: Master the art of transforming text data into features that a machine learning algorithm can process.
  • 📊 Decision Boundary Identification: Learn to identify and visualize the boundaries between different classes in your dataset.
  • ⚙️ Model Interpretability: Understand how to interpret the output probabilities from logistic regression models.
  • Logistic Score & Cost Function: Dive deep into understanding the score function, cost function, and their roles in model training.
  • 🛡️ Overfitting & Regularization: Discover techniques to prevent overfitting and ensure your model generalizes well to unseen data.
  • 🤖 Feature Extraction with Bag of Words: Get hands-on practice with feature selection techniques, including the bag of words method.

Course Modules:

  1. Introduction to Logistic Regression

    • Basic concepts and how it differs from linear regression
    • The role of logistic function in classification problems
  2. Theoretical Foundations

    • Understanding the odds and log-odds
    • Cost function (Cross-Entropy Loss) and gradient descent optimization
  3. Data Preparation for Text Classification

    • Feature extraction: From words to vectors
    • Dimensionality reduction and feature selection
  4. Implementing Logistic Regression

    • Constructing the model with scikit-learn library
    • Evaluating performance using metrics such as accuracy, precision, recall, and F1-score
  5. Challenges & Solutions in Text Classification

    • Addressing the challenges of natural language data
    • Techniques for effective sentiment analysis

Learning Outcomes:

  • Gain a deep understanding of logistic regression as it applies to text classification.
  • Develop skills to handle, prepare, and analyze textual data effectively.
  • Learn to interpret the output probabilities in a meaningful way.
  • Acquire expertise in sentiment analysis and its real-world applications.

Who Should Take This Course?

  • Data Scientists and Aspiring Data Scientists
  • Machine Learning Enthusiasts
  • Graduates and Postgraduates with an interest in NLP and text classification
  • Anyone looking to improve their understanding of logistic regression in practical, real-world scenarios.

Embark on your journey to become a data science expert today! 🚀


Enroll Now and Transform Your Data into Insightful Decisions with Logistic Regression for Text Classification! 🌟

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4012320
udemy ID
28/04/2021
course created date
15/06/2021
course indexed date
Angelcrc Seven
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