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: Jack D•
Jan 08, 2018
This was my first course with serious data gathering and manipulation. I found some of week 3 challenging, but overall enjoyed the learning.
교육 기관: Xiaorong L•
Oct 21, 2020
Very good contents! But to be honest, the final course project is a bit too easy (I personally enjoyed it because it was not frustrating)...
교육 기관: Habiballah S•
Jul 11, 2017
Very informative and useful! You learn a lot specially through the (last) assignment(s)! Very happy with the course, materials and subjects.
교육 기관: Adi T•
Jan 16, 2017
I feel that getting and cleaning data course is highly important to know since this is where 80% of the work in data science is being done.
교육 기관: Alejandro B G•
Feb 12, 2016
WHen i took this course i though i will never apply the knwoledge in here... i was wrong, the basis of a credibly analisis is here. Thanks!
교육 기관: Glenn W•
Mar 04, 2019
Very good course. Dr. Peng did a nice job of presenting the material. The projects and quizzes were challenging as well as educational.
교육 기관: Gowtham B•
Apr 28, 2018
Excellent course to learn about data pre-processing techniques and data science. Really helpful, if you wish to become a data scientist.
교육 기관: Jheroen P•
Dec 12, 2016
Very useful course. I suggest taking this course straight after R programming and before taking any other courses in the specialization.
교육 기관: Ishwarya M•
Jun 21, 2019
The course content as well as the assessments are very good. I would recommend this course for everyone who wants to learn Data science
교육 기관: Brett M•
Jul 12, 2016
Really fantastic even as an experienced R user. This is helping me remould my habits and break some of the bad ones. Thank you so much!
교육 기관: Sajal J•
Aug 14, 2020
Very good course. The end course project was also very good as it gives a good experience in loading and cleaning a real-life dataset.
교육 기관: Ricardo L•
Dec 29, 2019
The most important information I learned was the tidy data standard. Very useful and clear. It will make the analysis process easier.
교육 기관: Michael A C R•
Aug 17, 2020
Fue una experiencia maravillosa, llena de actividades y lecciones muy útiles para obtener y limpiar bases de datos. Muy provechoso.
교육 기관: Rumian R•
Aug 13, 2020
Massively underrated - I appreciated this course and I learned a lot. I now find it baffling how taken-for-granted data tidying is.
교육 기관: Georgios P•
Sep 24, 2018
The most crucial part of statistical inference or machine learning is tidy data and this course provides the basic tidy data rules!
교육 기관: Yanying J•
Feb 03, 2020
It's useful and practical! Especially, the swirl excerises offered not only the method, but also a clear example of data cleaning.
교육 기관: Andrew C•
Jan 08, 2019
The class was very interesting and useful, although I would have liked more opportunities to do web scraping in the problem sets.
교육 기관: Shaikh M I•
Nov 22, 2016
This course is really helpful and very practical. Provides industry standard information and adheres to the scientific principles.
교육 기관: Jorge L P d l T•
May 21, 2020
Managing Data has be a passion for me, this course for sure, opened me new skills using the powerful features of the R language.
교육 기관: Shashikesh M•
May 27, 2017
This course is one another step forward towards my data science specialization. I'm really enjoying my study about data Science.
교육 기관: Dimitrios G•
Mar 03, 2017
Challenging and very educational. Needs a better explanation on the final peer assignment. Otherwise a great overall experience!
교육 기관: CAPO-CHICHI F N•
Apr 14, 2020
I am very happy to have done this course, I discovered something new and I have new skills in Data Analysis thank you very much
교육 기관: 倪育飞•
Oct 15, 2017
It gave me an overview of how to getting and cleaning data.The course is best suited for anyone who is a novice in data science
교육 기관: Massimo M•
Aug 09, 2017
Great course, everything is well explained ant the exercises are challenging enough to really understand what you are studying.
교육 기관: Shelby B•
Apr 26, 2017
I am so glad this course was available. Otherwise, I would noy have had an opportunity to build a data set in my everyday work