Avis et commentaires pour d'étudiants pour Obtenir et trier des données par Université Johns-Hopkins
À propos du cours
Meilleurs avis
HS
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.
BE
25 oct. 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.
276 - 300 sur 1,273 Avis pour Obtenir et trier des données
par Tseliso M
•2 févr. 2017
Of the courses I have done so far in the specialization, this was the most practical.
par Carlos M
•2 févr. 2016
Very interesting material and basic knowledge on R to read files and produce tidy data
par GAGAN G
•14 oct. 2020
Very nice courses in coursera and fundamental concept are very helping for us. Clear.
par Tomas M
•22 août 2017
Excellent course mates! Lots & lots of very useful info & examples! Thanks so much!!!
par Dmytro I
•15 mai 2017
It's a great course, however, explanations to the final assignment were rather vague.
par sambit c
•12 oct. 2016
A great course. Learned a lot. However student has to put an extra effort practicing.
par Kseniia K
•3 mai 2016
Great course, more difficult than previous two, but also more challenging and useful!
par Wang J
•1 mai 2016
Great practice for R programming and the MySQL part is extremely helpful for my work.
par leo n
•8 août 2019
This is the best course so far. Very challenging project at the end. I learned a lot
par Jorge A B J
•25 juil. 2019
Very nice course! Would defensively recommend to anyone seeking this specialization!
par Puja G
•6 févr. 2018
Very useful to get hands on experience in data science to solve real world problems!
par Stephen A
•3 oct. 2020
This course gives all necessary foundations to kick start getting and cleaning data
par Abay J
•20 janv. 2019
Love quizzes and a course project. Working on them develops you as a data scientist
par Ajendra S
•29 août 2018
I really liked this course. This course helped me to understand the data wrangling.
par Tiago P F
•3 janv. 2018
Excellent course, with a very important focus on documentation and code versioning.
par jutzhang
•26 juin 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.
par Andaru
•12 févr. 2016
90% of data science is cleaning, this really gets people accepting that key concept
par Luz M S G
•29 août 2020
It was an excellent course. It was challenging but I enjoyed it and learnt a lot.
par Vitalii S
•20 juil. 2017
This course gave me an insights regarding data cleaning. Very grateful, thank you!
par Karthic C
•17 juil. 2017
Well put together course. Happy and eager to finish the rest of the specialization
par Thor R
•18 janv. 2019
Useful, the course is as much an introduction to R- part 2 as about cleaning data
par Raunak S
•5 oct. 2018
excellent course to get started with to learn the basic concepts of data tidying.
par Sunder R V
•27 août 2017
Enjoyed the course and learnt quite a few things in my quest for "Data Analytics"
par Roberto D
•21 juin 2017
Very useful for deciding best methods pulling data and consistently massage data.
par Jairo A V G
•25 juin 2020
an excellent course that allowed me to expand my knowledge and learn new things.
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