This course is great. The tactical skills in R you really need on the job.

Very useful course on how to prepare data so it can more easily be analyzed.

Very helpful source. Introduce the basic and important concept of tidy data.

Coursera is very practical and I am ready to continue to study more courses.

Very helpful and practical course to learn about data sourcing and cleaning.

Recommended for all who want to manage their data and not be handled by them

This a great course especially for a beginner like me. Thank you very much.

Great course. Only nitpick is that the volume of data to work with is huge.

It is a very good course. It is my reference page and course about using R.

Provides great foundational knowledge of building usable data objects in R.

This course taught me the importance of tidying data suitable for analysis.

Exceptional course with a steep learning curve, But it's totally worth it.

This course gives a great insight on how capable and versatile R language.

Excellent once again. I'm running out of superlatives. Great job Coursera.

Very good for anyone wanting to get into the field of Data Science using R

Learning how to create a tidy Data set was one of the perks in this course

Excellent course, really good for managing messy data. Fully recommended!

It's awesome. Very difficult, challenging, and lots of stuff to be learnt

Great course. I learned what i wanted to learn in a very convenient way.

Very useful class for someone like me who be a beginner of data science

I learned a lot from this course and can see its practical applications.

Thank you son much!!!!

I really like the course.

It help me in my job =)

Coursera gives me the flexibility I need to take courses on my own time

A very Important course for working with R and data science in general.

Great module with hands on practicals !!!!! help to build confidence...