More swirl exercises! They are really helpful

Time consuming and Challenging but very good.

Challenging assignment. Interesting material

Good course, but se subject, not so mutch...

The last project instructions were unclear.

Nice explanation on cleaning data activity.

Great course materials!! Great effort!! :-)

I've learned much about reading data in R!

was tougher than expected. i learnt a lot!

Well pack, but could have more practice.

The class could have better uniformity.

Useful technics to make things workable

Great content and hands on experience.

Well done. Thanks for a good course.

Nice set of techniques and methods!

The course has useful information.

Guidance and instruction is good.

need to be crisped, over all good

Great course for the beginners!!

Nice course and worth taking it.

One of the best of Data Science

Videos weren't detailed enough.

Good courses, I learned a lot!

Best data cleaning technique.

Too much outdated content.