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Deep Learning Prerequisites: Logistic Regression in Python

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  • 36,793 Students
  • Updated 1/2026
4.8
(4,715 Ratings)
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
6 Hour(s) 51 Minute(s)
Language
English
Taught by
Lazy Programmer Inc., Lazy Programmer Team
Rating
4.8
(4,715 Ratings)
3 views

Course Overview

Deep Learning Prerequisites: Logistic Regression in Python

Data science, machine learning, and artificial intelligence in Python for students and professionals

Ever wondered how AI technologies like OpenAI ChatGPT, GPT-4, DALL-E, Midjourney, and Stable Diffusion really work? In this course, you will learn the foundations of these groundbreaking applications.

This course is a lead-in to deep learning and neural networks - it covers a popular and fundamental technique used in machine learning, data science and statistics: logistic regression. We cover the theory from the ground up: derivation of the solution, and applications to real-world problems. We show you how one might code their own logistic regression module in Python.

This course does not require any external materials. Everything needed (Python, and some Python libraries) can be obtained for free.

This course provides you with many practical examples so that you can really see how deep learning can be used on anything. Throughout the course, we'll do a course project, which will show you how to predict user actions on a website given user data like whether or not that user is on a mobile device, the number of products they viewed, how long they stayed on your site, whether or not they are a returning visitor, and what time of day they visited.

Another project at the end of the course shows you how you can use deep learning for facial expression recognition. Imagine being able to predict someone's emotions just based on a picture!

If you are a programmer and you want to enhance your coding abilities by learning about data science, then this course is for you. If you have a technical or mathematical background, and you want use your skills to make data-driven decisions and optimize your business using scientific principles, then this course is for you.

This course focuses on "how to build and understand", not just "how to use". Anyone can learn to use an API in 15 minutes after reading some documentation. It's not about "remembering facts", it's about "seeing for yourself" via experimentation. It will teach you how to visualize what's happening in the model internally. If you want more than just a superficial look at machine learning models, this course is for you.

"If you can't implement it, you don't understand it"

  • Or as the great physicist Richard Feynman said: "What I cannot create, I do not understand".

  • My courses are the ONLY courses where you will learn how to implement machine learning algorithms from scratch

  • Other courses will teach you how to plug in your data into a library, but do you really need help with 3 lines of code?

  • After doing the same thing with 10 datasets, you realize you didn't learn 10 things. You learned 1 thing, and just repeated the same 3 lines of code 10 times...


Suggested Prerequisites:

  • calculus (taking derivatives)

  • matrix arithmetic

  • probability

  • Python coding: if/else, loops, lists, dicts, sets

  • Numpy coding: matrix and vector operations, loading a CSV file


WHAT ORDER SHOULD I TAKE YOUR COURSES IN?:

  • Check out the lecture "Machine Learning and AI Prerequisite Roadmap" (available in the FAQ of any of my courses, including the free Numpy course)

Course Content

  • 10 section(s)
  • 60 lecture(s)
  • Section 1 Start Here
  • Section 2 Basics: What is linear classification? What's the relation to neural networks?
  • Section 3 Solving for the optimal weights
  • Section 4 Practical concerns
  • Section 5 Checkpoint and applications: How to make sure you know your stuff
  • Section 6 Project: Facial Expression Recognition
  • Section 7 Background Review
  • Section 8 Appendix / FAQ Intro
  • Section 9 Setting Up Your Environment (FAQ by Student Request)
  • Section 10 Extra Help With Python Coding for Beginners (FAQ by Student Request)

What You’ll Learn

  • program logistic regression from scratch in Python
  • describe how logistic regression is useful in data science
  • derive the error and update rule for logistic regression
  • understand how logistic regression works as an analogy for the biological neuron
  • use logistic regression to solve real-world business problems like predicting user actions from e-commerce data and facial expression recognition
  • understand why regularization is used in machine learning
  • Understand important foundations for OpenAI ChatGPT, GPT-4, DALL-E, Midjourney, and Stable Diffusion


Reviews

  • P
    Prasun Sultania
    5.0

    Instructor has been very responsive to any question I posted in Q&A. The course covers the actual maths behind all the code examples which is great and is what I was looking exactly looking for. I was able to understand what L1/L2 is in real vs fancy regularisation diagram showing some kind of smoothness happening. The contents are covers a lot of facts and requires you to think and analyse, which is good. On some forums have seen some negative reviews about lazy programmer which does not make any sense me to. After taken multiple courses from the instructor , I can say every fact covered in the lectures amongst the courses I have taken, have been very valuable.

  • T
    Tebin Thomas
    5.0

    Great explain, clearly understood.

  • T
    Thomas Hauck
    5.0

    This course introduced the concept of logistic regression, where the student learns how neural networks are built from neurons.

  • U
    Ulysses Rangel Ribeiro
    5.0

    This course is dense with high quality content. It teachs you actual Machine Learning, not Machine Learning API usage and data preprocessing like most other courses. Yes, you really need the prerequisites. The presentation slides are a little poor(lazy?) but usable.

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