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.
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.
创建者 Suryadipta D•
Very simple and introductory course that teaches the concepts really well. Forms a brilliant specialization course.
创建者 Steven C•
Great coverage of useful R libraries for retrieving and tidying up data, and difficult but valuable course project.
Very good class for a beginner. Helps become more comfortable with R programming and aspects of getting data into R
创建者 Vivek G•
Challenging course for working professionals from time perspective but very educative and useful. I learned a lot.
创建者 vipin j•
A must take course for data science carrer... Very good concept explaination with really good hands on with Swirl.
创建者 Philip S•
Excellent survey of data cleaning methods, good grounding in tidyverse tools, builds nicely on previous 2 courses.
创建者 Matheus L N•
was a hard module for whose isn't a programmer, but was well done structureted to easy learning with hard studying
创建者 Ayush J•
Many tricks and tips tools, many good functions. its really way completing my need on R at initial level i needed.
创建者 Ekta R•
I am very much enjoyed the course. However, a lot of dedication is required as a beginner to complete this course.
创建者 Aman G•
Really helped me learn the different sources of acquiring data into R and methods to transform data into tidy data
创建者 Medha B•
Really great course and i feel a necessary one as it connects and covers many points of the previous 2 courses.
the course provide useful functions and methods and tell us why we should use them in a way easy to understand.
创建者 Francisco M•
A very demanding course. It took me more than a month to end it but It was worth the effort. I learned a lot.
创建者 Thomas G•
Each quiz made me learn something new. The final assignment was just the right amount of challenge for a MOOC.
创建者 Amy B P•
The assignment was quite challenging bu the course overall was very good. The course was structured very well.
创建者 Marcus V M d S•
Learned a lot, manipulating real data sets to produce "tidy" data sets, suitable for analysis. A great course!
创建者 VIVEK R•
Its really help me a lot to build up my basic concept and now data wrangling is quit bit easy for me.
创建者 William B B•
Excellent course. I've already used some of the techniques learned here. It's very applicable to those in o
创建者 Ritayan G•
At first sight seemed very easy but the assignments and quizzes are really challenging. Overall nice course.
创建者 Deyban P•
Great course, you learn a lot of ways to find data and improve other skills as regex and the use of "dplyr".
Take it twice if needed, do not go pass this point until the science behind this course is well understood.
创建者 Zami K•
If you really want to learn, there is no better option than these courses of Data Science Specialization.,
创建者 Michael S•
Fantastic knowledge cleverly delivered. This course adds structure and polish to your data munging skills.
创建者 Yasel G S•
This course was very important for my work. I learned so much and I want to say thanks to the professors.
创建者 Jigar P•
this course is a hands of this specialization in R.
this hands use to play with a raw and tidy data in R.