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.
Feb 02, 2016
Easy, mostly instructive Course. The Assignments and quizzes are quite good, and illustrates the lessons very well.\n\nSee the videos for general presentation, but use the energy on the excersizes.
By Ritayan G•
May 30, 2020
At first sight seemed very easy but the assignments and quizzes are really challenging. Overall nice course.
By 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".
By 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.
By Zami K•
Apr 21, 2020
If you really want to learn, there is no better option than these courses of Data Science Specialization.,
By Michael S•
Apr 26, 2016
Fantastic knowledge cleverly delivered. This course adds structure and polish to your data munging skills.
By 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.
By 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.
By Edwin L A•
Jul 31, 2017
He aprendido muchísimo pero sobre todo he adquirido estrategias para realizar un buen análisis de datos.
By Abhimanyu B•
Jan 03, 2017
Teaches a crucial and often overlooking step in the data analysis workflow. Brilliant tips and insights!
By 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.
By 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.
Jan 06, 2019
Great course with detailed exercise about what's most important task in Data Science, "Cleaning Data"
By Pieter v d V•
Jan 29, 2018
Tells you the clean data standards and how to transmute data to fit the description. Very accessible.
By Muhammet A•
Apr 21, 2019
I wholeheartedly enjoyed this course. It goes from very simple, to pretty advanced stuff at the end.
By Keidzh S•
Mar 12, 2018
This course is absolutely fantstic education. More practice tasks will make it better in my opinion.
By Quiniou C•
Sep 16, 2017
This course is very interesting, we are starting to work on how to transform dataset into tidy data.
By Rohit A•
Jun 12, 2019
Nice course to understand the deep insight in understanding the concept of the data cleaning in R.
By Asif M A•
Apr 18, 2016
A good start for data science course. It is very essential to cleanse data before start analyzing.
By Admet Z•
Nov 07, 2017
It was a bit harder, than Course 2 but still I was able to finish it and want to learn even more.
By Sravan K•
May 28, 2017
It's very nice course and material is very good. The quiz is very challenging. Thanks to coursera
By Sreedharrao V R•
Feb 06, 2016
Nitty gritty of organizing the data in to a form where it can be used for more complex analysis.
By juan p d•
May 15, 2016
i apprecciate the learning by doing and the lot of support that the staff and classmates provide
By Manuel M M•
Sep 09, 2019
Very practical and useful. I really enjoyed doing the test and learning a lot of R programming
By Sérgio A V G P•
Jun 06, 2016
Excelent course. It is a great oportunity to develop the aknowkedge in R and System analysis.
By Hector M•
May 20, 2016
Great way to exercise and practice something that is often neglected in data science courses.