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学生对 Johns Hopkins University 提供的 Getting and Cleaning Data 的评价和反馈

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8,070 个评分

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 2, 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.

BD

Oct 25, 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：

576 - Getting and Cleaning Data 的 600 个评论（共 1,313 个）

创建者 David W (

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Aug 1, 2019

very thorough and complete

创建者 Gabriele R

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Jul 15, 2019

Wonderful course, as usual

创建者 Jagat R S

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Feb 17, 2019

Great learning! Thank you.

创建者 carl w

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Jun 26, 2018

Lot of useful information.

创建者 Luis M M R

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Dec 26, 2017

Very good.

Congratulations!

创建者 Souvik S

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Nov 16, 2017

exceptionally great course

创建者 Sean O

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Jul 27, 2017

Much better than course 2!

创建者 Pietro B

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Apr 23, 2021

very nice and interesting

创建者 Nachiketas N

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Jan 21, 2020

Very useful and hands-on.

创建者 Shailesh P

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Aug 19, 2019

Excellent course content.

创建者 Leonardo S

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Feb 27, 2017

Informative and complete.

创建者 Abhinav K

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Jun 10, 2016

Don't wait!!! just enroll

创建者 Miguel E P

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Apr 24, 2016

Dinamyc and very usefull!

创建者 xuwei. l

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Mar 2, 2016

fantastic course material

创建者 Huang-Hsiang C

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Jun 1, 2020

Very practical material.

创建者 Muhammad Z H

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Sep 10, 2019

Excellent, Learning alot

创建者 Alzum S

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Mar 5, 2018

It's very awesome course

创建者 Avinash A

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Aug 30, 2017

Very Informative course.

创建者 吴承科

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Aug 15, 2017

very useful and helpful!

创建者 Sabyasachi M

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Jan 30, 2017

Great teaching method :)

创建者 Geetha S

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Aug 21, 2016

Very informative course.

创建者 Juan G

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Jun 27, 2016

Excelente muchas gracias

创建者 Vincent M

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May 9, 2021

Keep up the great work!

创建者 BHUPATHI P

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Jun 12, 2020

Very informative course

创建者 Abhi S

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May 29, 2017

good introductory class