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.
교육 기관: Alia E•
Feb 27, 2017
Wasn't excited about it. But I've used and re-used the materials for work. Good stuff.
교육 기관: Tseliso I M•
Feb 02, 2017
Of the courses I have done so far in the specialization, this was the most practical.
교육 기관: Tacao M•
Feb 03, 2016
Very interesting material and basic knowledge on R to read files and produce tidy data
교육 기관: Tomas A M•
Aug 22, 2017
Excellent course mates! Lots & lots of very useful info & examples! Thanks so much!!!
교육 기관: Dmytro I•
May 15, 2017
It's a great course, however, explanations to the final assignment were rather vague.
교육 기관: Sambit C•
Oct 12, 2016
A great course. Learned a lot. However student has to put an extra effort practicing.
교육 기관: Kseniia K•
May 03, 2016
Great course, more difficult than previous two, but also more challenging and useful!
교육 기관: Wang J•
May 02, 2016
Great practice for R programming and the MySQL part is extremely helpful for my work.
교육 기관: Leonardo A•
Aug 08, 2019
This is the best course so far. Very challenging project at the end. I learned a lot
교육 기관: Jorge A B J•
Jul 25, 2019
Very nice course! Would defensively recommend to anyone seeking this specialization!
교육 기관: Puja G•
Feb 07, 2018
Very useful to get hands on experience in data science to solve real world problems!
교육 기관: Abay J•
Jan 21, 2019
Love quizzes and a course project. Working on them develops you as a data scientist
교육 기관: Ajendra S•
Aug 29, 2018
I really liked this course. This course helped me to understand the data wrangling.
교육 기관: Tiago P F•
Jan 03, 2018
Excellent course, with a very important focus on documentation and code versioning.
교육 기관: jutzhang•
Jun 27, 2016
Please update the using methods of some functions in this lecture.
교육 기관: Andaru•
Feb 13, 2016
90% of data science is cleaning, this really gets people accepting that key concept
교육 기관: Vitalii S•
Jul 20, 2017
This course gave me an insights regarding data cleaning. Very grateful, thank you!
교육 기관: Karthic C•
Jul 18, 2017
Well put together course. Happy and eager to finish the rest of the specialization
교육 기관: Thor R•
Jan 18, 2019
Useful, the course is as much an introduction to R- part 2 as about cleaning data
교육 기관: Raunak S•
Oct 05, 2018
excellent course to get started with to learn the basic concepts of data tidying.
교육 기관: Sunder R V•
Aug 28, 2017
Enjoyed the course and learnt quite a few things in my quest for "Data Analytics"
교육 기관: Roberto D•
Jun 21, 2017
Very useful for deciding best methods pulling data and consistently massage data.
교육 기관: Premkumar S•
Sep 28, 2018
Excellent course with some great exercises put together that are very practical.
교육 기관: xiang•
Mar 31, 2016
Nice one. I would like to have some more information like getting data from API
교육 기관: Gustavo d P P•
Sep 13, 2019
Aprendi a usar dplyr e agora minha vida se tornou muito mais fácil!!!