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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：

726 - Getting and Cleaning Data 的 750 个评论（共 1,313 个）

创建者 Stefan B

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Apr 10, 2016

Outstanding!

创建者 陆俞凯

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Mar 21, 2016

very helpful

创建者 Sabeur M

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Jan 27, 2024

Great cours

创建者 Akshat S

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Jun 30, 2020

Good enough

创建者 Apisit M

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May 19, 2020

Good lesson

创建者 uttam c

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Jan 24, 2020

Good course

创建者 Koen V

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Nov 14, 2018

Fun course!

创建者 LIWANGZHI

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Sep 5, 2018

lovein' it!

创建者 Dan B

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Aug 17, 2018

Nice course

创建者 Sherifat A

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Jun 21, 2018

I loved it.

创建者 Ganapathi N K

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Apr 30, 2018

Good course

创建者 Ned C

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Jan 4, 2018

very useful

创建者 pavithra r

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Oct 27, 2017

Good Course

创建者 Sumeet M

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Oct 16, 2017

Nice Course

创建者 Javier N

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Sep 17, 2017

Very useful

创建者 Anupam A

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Aug 24, 2017

good course

创建者 Choo E

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Jul 25, 2017

Appreciate!

创建者 Piyush P

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Jul 12, 2017

good course

创建者 Gourav A

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Mar 2, 2017

Nice course

创建者 罗星

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Dec 26, 2016

very good !

创建者 Utku K

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Nov 14, 2016

Nice course

创建者 Diya L

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Oct 28, 2016

Excellent !

创建者 Gaurav S

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Aug 1, 2016

Nice course

创建者 XIE C

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Dec 4, 2021

Thank you!