2020년 5월 2일
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.
2016년 2월 1일
Easy, mostly instructive Course. The Assignments and quizzes are quite good, and illustrates the lessons very well.
See the videos for general presentation, but use the energy on the excersizes.
교육 기관: Matheus L N•
2018년 6월 6일
was a hard module for whose isn't a programmer, but was well done structureted to easy learning with hard studying
교육 기관: ayush j•
2018년 4월 18일
Many tricks and tips tools, many good functions. its really way completing my need on R at initial level i needed.
교육 기관: Ekta R•
2017년 6월 27일
I am very much enjoyed the course. However, a lot of dedication is required as a beginner to complete this course.
교육 기관: Aman G•
2017년 6월 15일
Really helped me learn the different sources of acquiring data into R and methods to transform data into tidy data
교육 기관: Medha B•
2020년 9월 22일
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•
2020년 9월 8일
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•
2020년 7월 12일
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•
2020년 6월 6일
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•
2019년 5월 25일
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•
2017년 5월 29일
Learned a lot, manipulating real data sets to produce "tidy" data sets, suitable for analysis. A great course!
교육 기관: VIVEK R•
2016년 6월 5일
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•
2019년 6월 12일
Excellent course. I've already used some of the techniques learned here. It's very applicable to those in o
교육 기관: Ritayan G•
2020년 5월 30일
At first sight seemed very easy but the assignments and quizzes are really challenging. Overall nice course.
교육 기관: Deyban P•
2016년 10월 12일
Great course, you learn a lot of ways to find data and improve other skills as regex and the use of "dplyr".
교육 기관: Damian•
2017년 5월 8일
Take it twice if needed, do not go pass this point until the science behind this course is well understood.
교육 기관: ZAMI K•
2020년 4월 21일
If you really want to learn, there is no better option than these courses of Data Science Specialization.,
교육 기관: Michael S•
2016년 4월 26일
Fantastic knowledge cleverly delivered. This course adds structure and polish to your data munging skills.
교육 기관: Yasel G S•
2016년 8월 4일
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•
2019년 1월 29일
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•
2017년 7월 31일
He aprendido muchísimo pero sobre todo he adquirido estrategias para realizar un buen análisis de datos.
교육 기관: Abhimanyu B•
2017년 1월 2일
Teaches a crucial and often overlooking step in the data analysis workflow. Brilliant tips and insights!
교육 기관: Francisco M R O•
2018년 11월 28일
This course was very good, I learned a lot of useful things about R and how processed data should look.
교육 기관: Sandhya A•
2018년 2월 23일
I have learnt a lot. Overall content is great ,in a small span of time I did learn few good techniques.
교육 기관: Enlik•
2019년 1월 6일
Great course with detailed exercise about what's most important task in Data Science, "Cleaning Data"
교육 기관: Pieter v d V•
2018년 1월 29일
Tells you the clean data standards and how to transmute data to fit the description. Very accessible.