Learner Reviews & Feedback for Getting and Cleaning Data by Johns Hopkins University
About the Course
Top reviews
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.
BD
Oct 25, 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.
1176 - 1200 of 1,313 Reviews for Getting and Cleaning Data
By Hassan D
โขApr 17, 2020
it gives us good information, but the information sometimes are incomplete or need to be updated( created in 2014!)
By Archana R
โขAug 31, 2016
good course. but some concepts are hard to understand for newbies. so felt it was a bit advanced in parts.
By Anupriya S
โขDec 3, 2021
course material was not clear and precise ..wish it was more explanatory to get our concepts more clear
By Sudarshan C
โขMar 1, 2016
The materiel covered in the course was great, but more assignments instead of quizzes should be added.
By John G
โขFeb 23, 2017
Materials (video and written) only partially prepare the student for the quizzes and course projects.
By Minh L
โขMar 19, 2018
Not as clear and straightforward as R Programming. But definitely a worthwhile course to look at.
By T G
โขFeb 9, 2018
While the available content is good, I expected this course to take me to a more detailed level.
By Felix R
โขJan 31, 2019
Ups and Downs.
Some presented functions are deprecated according to official documentation...
By mohamadreza a
โขDec 20, 2020
Course project was really vague and it took me 3 days to understand what is really wanted
By Brandon W
โขAug 11, 2020
The lessons are good, but they do not prepare you for the tests or end-of-course project.
By Nate H
โขSep 17, 2018
The assignments required A LOT of help outside the information provided in the lectures.
By Jack H
โขJun 1, 2020
Not as good as the other courses offered by this specialisation. In need of an update!!
By Himanshu R
โขOct 26, 2017
Need more lectures on R packages and newly added packages like reshape, dplyr etc.
By Juan A S O
โขApr 25, 2016
The evaluation part of the course needs some fixing. Otherwise, very good course!
By Samidha S
โขSep 2, 2017
Course touches points very superficially. Need to have better reference material.
By Edward A S M
โขNov 3, 2019
More examples of code running in parallel with the course work will be helpful.
By Derek R
โขDec 15, 2017
This course really gets you working with R. The swirl exercises are great.
By ISH G
โขMar 5, 2016
very nicely made course providing a good hands on with R language. Thanks!
By ์ํ์ธ
โขJul 26, 2021
The letrue should be updated. Most of the URL address is not accessible
By Jean-Francois J
โขFeb 5, 2017
The course isn't that hard but there is a lot of content to assimilate.
By Gianni K B
โขJan 29, 2023
Information used in the lesson are outdated, so it is quite useless.
By Doug E
โขJul 27, 2016
Topics were OK but the focus on R and no other tools is frustrating
By Fabien N
โขNov 8, 2019
The course was good but a bit too versatile for such hard quizzes.
By finbar k
โขJun 26, 2018
Vague instructions in many of the quizes and the final assignment.
By Jatin N S
โขMar 28, 2022
It would be better if for each function there were more examples.