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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:

451 - 获取和整理数据 的 475 个评论(共 1,068 个)

创建者 Alessandro M

Jul 22, 2019

Very good and well done course.

创建者 Alex B

Jun 12, 2019

Supperb. Exactly what I needed.

创建者 Bora A

Jul 31, 2018

Thanks for the excellent course

创建者 Billy J

Feb 05, 2016

Challenging, but in a good way!

创建者 Mohd I S B M Z

Sep 23, 2018

Great project course challenge

创建者 Jesús A A E

Feb 12, 2018

Challenging course! I loved it

创建者 Antoine d L

Nov 16, 2017

Nice and challenging exercices

创建者 Umer A

Aug 08, 2017

A very well structured course.

创建者 Huang J

Sep 19, 2016

Useful to get the basics right

创建者 Vibhutesh K S

Nov 18, 2018

It was really a good course.

创建者 卢君

Apr 12, 2018

A little bit hard for newbie

创建者 Javier A

Mar 16, 2017

Very useful. Well structured

创建者 Автандил Р

Nov 28, 2016

Cool course,very useful info

创建者 Sudhir B

Jul 08, 2016

The examples used were good.

创建者 Shayan A K

Apr 23, 2016

outstanding!!. learnt a lot.

创建者 Farah N

Jan 07, 2019

I liked the course project!

创建者 REEK M

Jan 22, 2018

Toghest assignment till now

创建者 Mauricio C

Dec 30, 2017

Tough one! I learned a lot!

创建者 Marco L

Jul 13, 2016

Excelente, muy recomendable

创建者 David W

Aug 01, 2019

very thorough and complete

创建者 Gabriele R

Jul 15, 2019

Wonderful course, as usual

创建者 Jagat R S

Feb 17, 2019

Great learning! Thank you.

创建者 Carl W

Jun 26, 2018

Lot of useful information.

创建者 Luis M M R

Dec 26, 2017

Very good.

Congratulations!

创建者 Souvik S

Nov 16, 2017

exceptionally great course