Johns Hopkins University

Practical Machine Learning

This course is part of multiple programs.

Taught in English

Some content may not be translated

Jeff Leek, PhD
Roger D. Peng, PhD
Brian Caffo, PhD

Instructors: Jeff Leek, PhD

152,831 already enrolled

Included with Coursera Plus


Gain insight into a topic and learn the fundamentals


(3,246 reviews)



8 hours (approximately)
Flexible schedule
Learn at your own pace

What you'll learn

  • Use the basic components of building and applying prediction functions

  • Understand concepts such as training and tests sets, overfitting, and error rates

  • Describe machine learning methods such as regression or classification trees

  • Explain the complete process of building prediction functions

Details to know

Shareable certificate

Add to your LinkedIn profile


5 quizzes


Gain insight into a topic and learn the fundamentals


(3,246 reviews)



8 hours (approximately)
Flexible schedule
Learn at your own pace

See how employees at top companies are mastering in-demand skills


Build your subject-matter expertise

This course is available as part of
When you enroll in this course, you'll also be asked to select a specific program.
  • Learn new concepts from industry experts
  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
  • Earn a shareable career certificate

Earn a career certificate

Add this credential to your LinkedIn profile, resume, or CV

Share it on social media and in your performance review


There are 4 modules in this course

This week will cover prediction, relative importance of steps, errors, and cross validation.

What's included

9 videos4 readings1 quiz

This week will introduce the caret package, tools for creating features and preprocessing.

What's included

9 videos1 quiz

This week we introduce a number of machine learning algorithms you can use to complete your course project.

What's included

5 videos1 quiz

This week, we will cover regularized regression and combining predictors.

What's included

4 videos2 readings2 quizzes1 peer review


Instructor ratings
4.5 (132 ratings)
Jeff Leek, PhD
Johns Hopkins University
32 Courses1,638,680 learners

Offered by

Recommended if you're interested in Machine Learning

Why people choose Coursera for their career

Felipe M.
Learner since 2018
"To be able to take courses at my own pace and rhythm has been an amazing experience. I can learn whenever it fits my schedule and mood."
Jennifer J.
Learner since 2020
"I directly applied the concepts and skills I learned from my courses to an exciting new project at work."
Larry W.
Learner since 2021
"When I need courses on topics that my university doesn't offer, Coursera is one of the best places to go."
Chaitanya A.
"Learning isn't just about being better at your job: it's so much more than that. Coursera allows me to learn without limits."

Learner reviews

Showing 3 of 3246


3,246 reviews

  • 5 stars


  • 4 stars


  • 3 stars


  • 2 stars


  • 1 star



Reviewed on Dec 10, 2017


Reviewed on Jul 27, 2016


Reviewed on May 31, 2021

New to Machine Learning? Start here.


Open new doors with Coursera Plus

Unlimited access to 7,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription

Advance your career with an online degree

Earn a degree from world-class universities - 100% online

Join over 3,400 global companies that choose Coursera for Business

Upskill your employees to excel in the digital economy

Frequently asked questions