HS
May 2, 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.
DH
Feb 1, 2016
Easy, mostly instructive Course. The Assignments and quizzes are quite good, and illustrates the lessons very well.
See the videos for general presentation, but use the energy on the excersizes.
By Puja G
•Feb 6, 2018
Very useful to get hands on experience in data science to solve real world problems!
By Stephen A
•Oct 3, 2020
This course gives all necessary foundations to kick start getting and cleaning data
By Abay J
•Jan 20, 2019
Love quizzes and a course project. Working on them develops you as a data scientist
By Ajendra S
•Aug 29, 2018
I really liked this course. This course helped me to understand the data wrangling.
By Tiago P F
•Jan 3, 2018
Excellent course, with a very important focus on documentation and code versioning.
By jutzhang
•Jun 26, 2016
建议更新课程中所涉及函数的使用方法
Please update the using methods of some functions in this lecture.
By Andaru P
•Feb 12, 2016
90% of data science is cleaning, this really gets people accepting that key concept
By Luz M S G
•Aug 29, 2020
It was an excellent course. It was challenging but I enjoyed it and learnt a lot.
By Vitalii S
•Jul 20, 2017
This course gave me an insights regarding data cleaning. Very grateful, thank you!
By Karthic C
•Jul 17, 2017
Well put together course. Happy and eager to finish the rest of the specialization
By Thor R
•Jan 18, 2019
Useful, the course is as much an introduction to R- part 2 as about cleaning data
By Raunak S
•Oct 5, 2018
excellent course to get started with to learn the basic concepts of data tidying.
By Sunder R V
•Aug 27, 2017
Enjoyed the course and learnt quite a few things in my quest for "Data Analytics"
By Roberto D
•Jun 21, 2017
Very useful for deciding best methods pulling data and consistently massage data.
By Jairo A V G
•Jun 25, 2020
an excellent course that allowed me to expand my knowledge and learn new things.
By Premkumar S
•Sep 27, 2018
Excellent course with some great exercises put together that are very practical.
By Zhongrun X
•Mar 31, 2016
Nice one. I would like to have some more information like getting data from API
By Đức T N
•Oct 16, 2022
This is an excellent course for learning how to prepare data for analysis in R.
By Waeibrorheem W
•Oct 12, 2020
It was an amazing learning experience. I really learn so much from this course.
By Gustavo d P P
•Sep 13, 2019
Muito bom!
Aprendi a usar dplyr e agora minha vida se tornou muito mais fácil!!!
By Yi-Yang L
•Mar 8, 2017
Good! Actually I think this course is useful no matter what other people think.
By Bruno
•Jun 4, 2016
It's a good course, with right amount of exercises and well explained classes.
By valeriu p
•Oct 2, 2017
Great course. Have learned a lot and discovered powerful tools and approaches.
By Matthew
•Feb 22, 2017
Solid course overall which covers in a high level many data gathering methods.
By Bill K
•Feb 10, 2016
Great course with good lectures and labs. Don't forget the swirl assignments!