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Learner Reviews & Feedback for Practical Machine Learning by Johns Hopkins University

3,219 ratings

About the Course

One of the most common tasks performed by data scientists and data analysts are prediction and machine learning. This course will cover the basic components of building and applying prediction functions with an emphasis on practical applications. The course will provide basic grounding in concepts such as training and tests sets, overfitting, and error rates. The course will also introduce a range of model based and algorithmic machine learning methods including regression, classification trees, Naive Bayes, and random forests. The course will cover the complete process of building prediction functions including data collection, feature creation, algorithms, and evaluation....

Top reviews


Aug 13, 2020

recommended for all the 21st centuary students who might be intrested to play with data in future or some kind of work related to make predictions systemically must have good knowledge of this course


Feb 28, 2017

Issues of every stage of the construction of learning machine model, as well as issues with several different machine learning methods are well and in fine yet very understandable detail explained.

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476 - 500 of 611 Reviews for Practical Machine Learning

By Nilrey J D C

Dec 1, 2017

Good introduction to machine learning

By Vincent G

Oct 22, 2017

appropriately challenging material.

By Nikit P

Oct 7, 2016

Nice Course for every New candidate

By Tiziano V

May 25, 2017

Interesting the final assignment.

By Rahul K

Mar 7, 2016

Really Well Structured Course!!

By Robert R

Jul 20, 2016

Just the right level of detail

By Erik K

Jul 8, 2019

Very good. Learned a lot

By Bassey O

May 3, 2016

Very informative course.

By Qian W

Sep 9, 2018

need eva on my project

By Javier R

Oct 14, 2017

Love this class !

By Mehul P

Oct 3, 2017

Good ML overview.

By Lilia K R E

Mar 30, 2016

Muy buen curso :)

By Tiberiu D O

Sep 21, 2017

A good course!


Sep 17, 2020

Excellent job

By Ray K

May 2, 2018

pretty good!

By Piyush P

Jul 13, 2017

good context

By Prahlad S

Jun 18, 2020

great hands

By Tim B

Apr 22, 2017

good course

By Mohammad M

Apr 12, 2021


By Rohit K S

Sep 21, 2020

Nice One!!

By Ryan R S

Aug 25, 2020

Very Fun

By Krishna R N

Apr 19, 2018


By Sanket P

May 27, 2019


By Yury Z

Feb 3, 2016

I'm somewhat disappointed. I attend almost all other courses in this specialization (except of "data product") and this one is, on my opinion, the weakest one. A lot of links to useful information though. This is more reference guide rather than a real training course.

I can say even more, initially I start other courses of this specialization just because they were marked as strong prerequisite to this one. For now, I think all other courses of the specialization were much more valuable for me than this one.

I've also took Andrew Ng course on Machine Learning in the past, and my learning experience was much better. In lectures on some concepts (like regularization) I'm pretty sure I would not understand anything if I had not been familiar with the subject before..

By June K

Sep 5, 2019

This course does not have the depth it needs, but I do learn a few valuable things. I suggest breaking this course into 2 courses and give more lectures on using caret package and other packages as well. Another thing is I could not ever find the correct answers for the quizzes, and most of the time has to guess and take the quizzes 3 times to get things right.

I invested time and effort in doing the last project; but got a not so good grade due to peer review process. I got every requirement done and even have a direct link to my HTML final report but 2 out of my 4 my peer reviewers have limited knowledge of GitHub could not find my link to HTML file. That said with a higher level courses, peer review process has to be different.