learning a lot! And my post in the forum got helpful reply very soon!

Great course to get started on a career track to be a data scientist.

This course is one important step towards becoming a Data Scientist.

Great lecture and help understanding concepts throughout the lecture

great course, very useful and insightful; challenging final project.

Course material is good, assignment is better, mentors are the best!

Perfect practical course! I got a lot of good practices and skills!

Great course with great materials. Easy to understand and to learn.

very clear, many examples and good exercise, assignments

thank you

Should be before the 'R Programming' course - eases you in nicely.

a must have course before applying any math model to our data! :-)

Very good course and first real challenge in this specialization.

great class for anyone learning the R language and data analytics

Really good for folks, who wants to learn data manipulations in R

Good one.... teaches you good skills to handle data and stress :)

This whole specialization is very informative! Highly recommend!

Muy interesante, bastante información y todo muy bien explicado

Thank you very much for letting me do this course. Learned alot

It's a useful course but the final assignment is real hard hah.

Solid fundamentals gained from this course on data manipulation

Great use of R. It really helped solidify what I learned there.

Very nice course, and clear how to do it. I like it very much!

Good Course. It gives an idea on how to prepare tidy data set.

It is great to know how the cleaning process is performed in R

The best course I have already done about data preprocessing!