Deep Learning Prerequisites: Linear Regression in Python
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# Deep Learning Prerequisites: Linear Regression in Python

Data science: Learn linear regression from scratch and build your own working program in Python for data analysis.
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4.6 (4,205 ratings)
24,915 students enrolled
Last updated 5/2020
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This course includes
• 6 hours on-demand video
• Access on mobile and TV
• Certificate of Completion
Training 5 or more people?

What you'll learn
• Derive and solve a linear regression model, and apply it appropriately to data science problems
• Program your own version of a linear regression model in Python
Course content
Expand all 53 lectures 06:10:48
+ Welcome
5 lectures 27:18
Preview 03:14
Introduction and Outline
03:35

We will discuss a broad outline of what machine learning is, and how linear regression fits into the ecosystem of machine learning. We will discuss some examples of linear regression to give you a feel for what it can be used for.

What is machine learning? How does linear regression play a role?
05:13
What can linear regression be used for?
1 question
+ 1-D Linear Regression: Theory and Code
10 lectures 59:57
Define the model in 1-D, derive the solution (Updated Version)
12:43
Define the model in 1-D, derive the solution
14:52
Coding the 1-D solution in Python
07:38
Exercise: Theory vs. Code
01:19
Determine how good the model is - r-squared
05:50
R-squared in code
02:15
Introduction to Moore's Law Problem
02:30
Demonstrating Moore's Law in Code
08:00
R-squared Quiz 1
01:48
Suggestion Box
03:02
+ Multiple linear regression and polynomial regression
7 lectures 51:51
Define the multi-dimensional problem and derive the solution (Updated Version)
09:34
Define the multi-dimensional problem and derive the solution
17:07
How to solve multiple linear regression using only matrices
01:55
Coding the multi-dimensional solution in Python
07:29
Polynomial regression - extending linear regression (with Python code)
07:56
Predicting Systolic Blood Pressure from Age and Weight
05:45
R-squared Quiz 2
02:05
+ Practical machine learning issues
17 lectures 01:14:06
What do all these letters mean?
06:23
Interpreting the Weights
04:00
Generalization error, train and test sets
02:49
Generalization and Overfitting Demonstration in Code
07:32
Categorical inputs
05:21
One-Hot Encoding Quiz
02:07
Probabilistic Interpretation of Squared Error
05:15
L2 Regularization - Theory
04:21
L2 Regularization - Code
04:13
The Dummy Variable Trap
03:58
04:30
02:13
Bypass the Dummy Variable Trap with Gradient Descent
04:17
L1 Regularization - Theory
03:05
L1 Regularization - Code
04:25
L1 vs L2 Regularization
03:05
Why Divide by Square Root of D?
06:32
+ Conclusion and Next Steps
2 lectures 09:08
Brief overview of advanced linear regression and machine learning topics
05:14
Exercises, practice, and how to get good at this
03:54
+ Appendix / FAQ
12 lectures 02:28:28
What is the Appendix?
02:48
BONUS: Where to get Udemy coupons and FREE deep learning material
05:31
Windows-Focused Environment Setup 2018
20:20
How to install Numpy, Scipy, Matplotlib, Pandas, IPython, Theano, and TensorFlow
17:32
How to Code by Yourself (part 1)
15:54
How to Code by Yourself (part 2)
09:23
How to Succeed in this Course (Long Version)
10:24
Is this for Beginners or Experts? Academic or Practical? Fast or slow-paced?
22:04
Proof that using Jupyter Notebook is the same as not using it
12:29
What order should I take your courses in? (part 1)
11:18
What order should I take your courses in? (part 2)
16:07
Python 2 vs Python 3
04:38
Requirements
• How to take a derivative using calculus
• Basic Python programming
• For the advanced section of the course, you will need to know probability
Description

This course teaches you about one popular technique used in machine learning, data science and statistics: linear 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 linear regression module in Python.

Linear regression is the simplest machine learning model you can learn, yet there is so much depth that you'll be returning to it for years to come. That's why it's a great introductory course if you're interested in taking your first steps in the fields of:

• deep learning

• machine learning

• data science

• statistics

In the first section, I will show you how to use 1-D linear regression to prove that Moore's Law is true.

What's that you say? Moore's Law is not linear?

You are correct! I will show you how linear regression can still be applied.

In the next section, we will extend 1-D linear regression to any-dimensional linear regression - in other words, how to create a machine learning model that can learn from multiple inputs.

We will apply multi-dimensional linear regression to predicting a patient's systolic blood pressure given their age and weight.

Finally, we will discuss some practical machine learning issues that you want to be mindful of when you perform data analysis, such as generalization, overfitting, train-test splits, and so on.

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

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 to know how to apply your skills as a software engineer or "hacker", this course may be useful.

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.

Suggested Prerequisites:

• calculus (taking derivatives)

• matrix arithmetic

• probability

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

TIPS (for getting through the course):

• Watch it at 2x.

• Take handwritten notes. This will drastically increase your ability to retain the information.

• Write down the equations. If you don't, I guarantee it will just look like gibberish.

• Ask lots of questions on the discussion board. The more the better!

• Realize that most exercises will take you days or weeks to complete.

• Write code yourself, don't just sit there and look at my code.

WHAT ORDER SHOULD I TAKE YOUR COURSES IN?:

• Check out the lecture "What order should I take your courses in?" (available in the Appendix of any of my courses, including the free Numpy course)

Who this course is for:
• People who are interested in data science, machine learning, statistics and artificial intelligence
• People new to data science who would like an easy introduction to the topic
• People who wish to advance their career by getting into one of technology's trending fields, data science
• Self-taught programmers who want to improve their computer science theoretical skills
• Analytics experts who want to learn the theoretical basis behind one of statistics' most-used algorithms