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: Medha B•
Sep 22, 2020
Really great course and i feel a necessary one as it connects and covers many points of the previous 2 courses.
교육 기관: 坂本幹次•
Sep 08, 2020
the course provide useful functions and methods and tell us why we should use them in a way easy to understand.
교육 기관: Francisco M•
Jul 12, 2020
A very demanding course. It took me more than a month to end it but It was worth the effort. I learned a lot.
교육 기관: Thomas G•
Jun 06, 2020
Each quiz made me learn something new. The final assignment was just the right amount of challenge for a MOOC.
교육 기관: Amy B P•
May 25, 2019
The assignment was quite challenging bu the course overall was very good. The course was structured very well.
교육 기관: Marcus V M d S•
May 29, 2017
Learned a lot, manipulating real data sets to produce "tidy" data sets, suitable for analysis. A great course!
교육 기관: VIVEK R•
Jun 05, 2016
Its really help me a lot to build up my basic concept and now data wrangling is quit bit easy for me.
교육 기관: William B B•
Jun 12, 2019
Excellent course. I've already used some of the techniques learned here. It's very applicable to those in o
교육 기관: Ritayan G•
May 30, 2020
At first sight seemed very easy but the assignments and quizzes are really challenging. Overall nice course.
교육 기관: Deyban P•
Oct 12, 2016
Great course, you learn a lot of ways to find data and improve other skills as regex and the use of "dplyr".
교육 기관: Damjan S•
May 08, 2017
Take it twice if needed, do not go pass this point until the science behind this course is well understood.
교육 기관: Zami K•
Apr 21, 2020
If you really want to learn, there is no better option than these courses of Data Science Specialization.,
교육 기관: Michael S•
Apr 26, 2016
Fantastic knowledge cleverly delivered. This course adds structure and polish to your data munging skills.
교육 기관: Yasel G S•
Aug 04, 2016
This course was very important for my work. I learned so much and I want to say thanks to the professors.
교육 기관: Jigar P•
Jan 29, 2019
this course is a hands of this specialization in R.
this hands use to play with a raw and tidy data in R.
교육 기관: Edwin L A•
Jul 31, 2017
He aprendido muchísimo pero sobre todo he adquirido estrategias para realizar un buen análisis de datos.
교육 기관: Abhimanyu B•
Jan 03, 2017
Teaches a crucial and often overlooking step in the data analysis workflow. Brilliant tips and insights!
교육 기관: Francisco M R O•
Nov 28, 2018
This course was very good, I learned a lot of useful things about R and how processed data should look.
교육 기관: Sandhya A•
Feb 23, 2018
I have learnt a lot. Overall content is great ,in a small span of time I did learn few good techniques.
교육 기관: Enlik•
Jan 06, 2019
Great course with detailed exercise about what's most important task in Data Science, "Cleaning Data"
교육 기관: Pieter v d V•
Jan 29, 2018
Tells you the clean data standards and how to transmute data to fit the description. Very accessible.
교육 기관: Muhammet A•
Apr 21, 2019
I wholeheartedly enjoyed this course. It goes from very simple, to pretty advanced stuff at the end.
교육 기관: Keidzh S•
Mar 12, 2018
This course is absolutely fantstic education. More practice tasks will make it better in my opinion.
교육 기관: Quiniou C•
Sep 16, 2017
This course is very interesting, we are starting to work on how to transform dataset into tidy data.
교육 기관: Rohit A•
Jun 12, 2019
Nice course to understand the deep insight in understanding the concept of the data cleaning in R.