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Learner Reviews & Feedback for Exploratory Data Analysis by Johns Hopkins University

5,921 ratings
864 reviews

About the Course

This course covers the essential exploratory techniques for summarizing data. These techniques are typically applied before formal modeling commences and can help inform the development of more complex statistical models. Exploratory techniques are also important for eliminating or sharpening potential hypotheses about the world that can be addressed by the data. We will cover in detail the plotting systems in R as well as some of the basic principles of constructing data graphics. We will also cover some of the common multivariate statistical techniques used to visualize high-dimensional data....

Top reviews

Jul 28, 2016

This is the second course I have taken from Roger Peng and both were outstanding. I have a strong math background, but not much of a background in stats, but this course was very approachable for me.

Sep 23, 2017

Very good course! It provide me the foundation in learning how to plot and interpret data. This will definitely strengthen my "R programming" to generate publication type figure for my genomics data!

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301 - 325 of 833 Reviews for Exploratory Data Analysis

By Pawel D

Dec 3, 2016

Excellent review of various visualization techniques.


Feb 12, 2016

Extremely practical, yet challenging for a R starter.

By Robin A

Oct 30, 2019

It was indeed a nice learning through out the course

By William B B

Jun 12, 2019

Excellent course and applicable in my work right now

By Tae W O

Apr 6, 2019

It was a good and a useful lecture for R beginner !

By Jay S

Jun 17, 2016

The course projects are interesting and challenging!

By Crystal Z

Apr 2, 2019

Fun, and I enjoyed what I learned, which was a lot.

By Bivas M

Apr 21, 2018

Great course. Most helpful was the swirl exercises.

By Samir Y

Feb 25, 2016

Very good course for doing practical data analysis.

By Doris M

Dec 7, 2020

Well taught and comprehensive. Exercises are great

By Massimo M

Aug 28, 2017

Great course, very useful exercise and case study.

By Ivan G

Nov 15, 2016

Fun and good approach on exploratory data analysis

By Katarzyna P

Jan 14, 2016

Very helpful and great lectures!

best regards,


By Nurul H A

Aug 10, 2020

learn a lot on various technique to explore data

By carlos j m

Apr 5, 2019

I am truly enjoying this course and the process.

By Justin A B

Feb 14, 2019

Thank you for this course. I really learn a lot!

By Xun Y

Aug 17, 2017

The plotting system in R chapter is very useful.

By Rajlakshmi P

Apr 23, 2017

Excellent course, extremely practical and useful

By Mikit K

Oct 22, 2016

Graphical Methods are taught in a very good way.

By Christopher B

Jan 3, 2017

A nice overview of data exploration techniques.

By Samir G

Oct 23, 2016

Thank you very much, it was very interesting !!

By Henrique R G

Aug 21, 2019

Thank you for opportunity to improve each day.

By Frank S

Dec 4, 2017

Well organized contents and great instructors.

By kipchumba B

Mar 5, 2021

Gives a clear approach on how to explore data

By Mendyk N I

Feb 17, 2021

Graet cource, thanks you for this opportunity