May 03, 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.
Oct 26, 2016
This course is really a challenging and compulsory for any one who wants to be a data scientist or working in any sort of data. It teaches you how to make very palatable data-set fro ma messy data.
Sep 16, 2017
good! but I hope that Jeff can make more examples
von Laura B•
May 18, 2017
Good but needed more info to complete assigments.
von Shivanand R K•
Jun 21, 2016
Great and Excellent thoughts and course material.
von Yunfan T•
Jul 28, 2017
the course lecture is not enough for assignment
von Marina V V•
Dec 20, 2018
More swirl exercises! They are really helpful
von Manny R•
Aug 10, 2017
Time consuming and Challenging but very good.
von Patrick B•
Nov 20, 2019
Challenging assignment. Interesting material
von Gustavo T P•
Sep 26, 2018
Good course, but se subject, not so mutch...
von Alex s•
Dec 29, 2017
The last project instructions were unclear.
von Mehul P•
Sep 11, 2017
Nice explanation on cleaning data activity.
May 22, 2017
Great course materials!! Great effort!! :-)
von Marcos A V•
May 15, 2017
I've learned much about reading data in R!
von Daren T•
Feb 08, 2016
was tougher than expected. i learnt a lot!
von Chong C F•
Sep 07, 2016
Well pack, but could have more practice.
von Andrew K•
Jun 09, 2019
The class could have better uniformity.
von Guillaume H•
Dec 02, 2016
Useful technics to make things workable
von Tharindra P•
Apr 15, 2020
Great content and hands on experience.
Nov 14, 2016
Well done. Thanks for a good course.
von Lluis G•
Nov 08, 2016
Nice set of techniques and methods!
von Jehan H•
Jan 11, 2020
The course has useful information.
von John B•
Oct 11, 2020
Guidance and instruction is good.
von Rajib K•
Feb 26, 2017
need to be crisped, over all good
von Paras B•
Apr 07, 2018
Great course for the beginners!!
von Shahrokh N•
Feb 10, 2018
Nice course and worth taking it.
von Joseph L•
Sep 16, 2020
Videos weren't detailed enough.