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学生对 约翰霍普金斯大学 提供的 获取和整理数据 的评价和反馈

4.6
7,018 个评分
1,102 条评论

课程概述

Before you can work with data you have to get some. This course will cover the basic ways that data can be obtained. The course will cover obtaining data from the web, from APIs, from databases and from colleagues in various formats. It will also cover the basics of data cleaning and how to make data “tidy”. Tidy data dramatically speed downstream data analysis tasks. The course will also cover the components of a complete data set including raw data, processing instructions, codebooks, and processed data. The course will cover the basics needed for collecting, cleaning, and sharing data....

热门审阅

HS

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.

BE

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.

筛选依据:

351 - 获取和整理数据 的 375 个评论(共 1,065 个)

创建者 Akansha K

Apr 12, 2019

Great course and easy to understand for a beginner.

创建者 Justin A B

Dec 28, 2018

Very challenging but very fulfilling when completed

创建者 Deepak S

Oct 27, 2017

good material for the beginner kind of candidates..

创建者 Apoorva S

Sep 05, 2017

From this you will good understanding cleaning data

创建者 Changkeun K

Jul 10, 2017

this course lead to data science world more closely

创建者 Saurabh K

Feb 18, 2017

Very useful and detailed summary of advance methods

创建者 Marcus S S

Jan 21, 2017

A good first step in order to manage big data sets!

创建者 Fan M

Jan 07, 2017

This course is little fast for me but real helpful.

创建者 Samir A G

Dec 29, 2016

Not the funniest one but very useful !! thank you !

创建者 赵东昱

Dec 02, 2016

This course is quite hard, but it's really great!!!

创建者 Robert A A T

Nov 13, 2016

Excellent information on getting and cleaning data.

创建者 Melanie B

Feb 21, 2018

All started coming together for me in this course!

创建者 Laurent b

Feb 09, 2018

Very dense course and a lot of things explained...

创建者 Aleksander Z

Jan 17, 2017

Very good introduction in advanced R capabilities.

创建者 Nguyen T T

Nov 07, 2016

We have good course, thank you very much, teacher!

创建者 Carlos R R

May 08, 2017

Thank you for the coruse. It's a very good course

创建者 Nishan M

Oct 17, 2016

Great course for a budding data analyst/scientist

创建者 Yang L

Aug 16, 2016

Brief instroduction of getting and cleaning data.

创建者 Alberto T

Apr 05, 2016

Love the new strategies that learn in the course.

创建者 Toni R

Mar 07, 2016

This was an incredibly useful and amazing course!

创建者 varun C

Apr 16, 2020

Well Designed course with Good level of Projects

创建者 Servet D

Aug 27, 2019

I learned why cleaning data is important. Thanks

创建者 Marina K

May 17, 2019

This course was very helpful and easy to follow.

创建者 Oscar

Sep 13, 2017

excelente curso claro, completo y muy dinámico.

创建者 Henrique T d A S

Nov 27, 2016

Great course! I learned a lot from it! Thanks!!!