2 mai 2020
This course provides an introduction of some important concepts and tools on a very important aspect of data science: cleaning and organizing data before any analysis. A must for any data scientist.
1 févr. 2016
Easy, mostly instructive Course. The Assignments and quizzes are quite good, and illustrates the lessons very well.\n\nSee the videos for general presentation, but use the energy on the excersizes.
par Premkumar S•
27 sept. 2018
Excellent course with some great exercises put together that are very practical.
31 mars 2016
Nice one. I would like to have some more information like getting data from API
par Waeibrorheem W•
12 oct. 2020
It was an amazing learning experience. I really learn so much from this course.
par Gustavo d P P•
13 sept. 2019
Aprendi a usar dplyr e agora minha vida se tornou muito mais fácil!!!
par Yi-Yang L•
8 mars 2017
Good! Actually I think this course is useful no matter what other people think.
4 juin 2016
It's a good course, with right amount of exercises and well explained classes.
par Prohnițchi V•
2 oct. 2017
Great course. Have learned a lot and discovered powerful tools and approaches.
22 févr. 2017
Solid course overall which covers in a high level many data gathering methods.
par Bill K•
10 févr. 2016
Great course with good lectures and labs. Don't forget the swirl assignments!
par Diego A Q•
3 juin 2019
Very useful for every day data arrangements and data downloads from Internet.
par Siva M•
6 déc. 2018
It is great time. The course content was amazing. I learnt lot of new things.
par Joseph G N•
5 nov. 2018
The course has amazing exercise in every week. You can learn a lot with them.
par Raphael P•
23 juin 2018
I started with this course to understand the logic of ordering of the series.
par Gustavo P F d X•
15 janv. 2017
Wonderful course for those who are keen on expand their knowledge n R skills.
par Bruno K•
17 févr. 2016
Great course! The course content is very good and the length is appropriated.
par Marco M•
9 oct. 2020
Really good course! It could be even better with more labs in the beginning.
par Scott D•
30 déc. 2018
This course is great. The tactical skills in R you really need on the job.
par Jessica R•
3 avr. 2018
Very useful course on how to prepare data so it can more easily be analyzed.
3 mars 2018
Very helpful source. Introduce the basic and important concept of tidy data.
7 sept. 2017
Coursera is very practical and I am ready to continue to study more courses.
16 mars 2017
Very helpful and practical course to learn about data sourcing and cleaning.
par Juan C P A•
28 mars 2016
Recommended for all who want to manage their data and not be handled by them
par Jeff D•
10 oct. 2020
This a great course especially for a beginner like me. Thank you very much.
par Eswara K•
4 juin 2020
Great course. Only nitpick is that the volume of data to work with is huge.
par Mevluet P•
26 mai 2020
It is a very good course. It is my reference page and course about using R.