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Learner Reviews & Feedback for Getting and Cleaning Data by Johns Hopkins University

4.5
stars
8,072 ratings

About the Course

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....

Top reviews

RR

Jul 9, 2017

I found the last project insufficiently explained. I was struggling in understanding what the task is. A bit more clear task description (as in Course 2) would be really appreciated.

AB

Oct 15, 2017

This course is very enlightening. The techniques demonstrated in this course are critical for gathering raw data from various sources and turning it into useful data for analysis.

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726 - 750 of 1,314 Reviews for Getting and Cleaning Data

By Stefan B

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Apr 10, 2016

Outstanding!

By 陆俞凯

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Mar 22, 2016

very helpful

By Sabeur M

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Jan 27, 2024

Great cours

By Akshat S

•

Jun 30, 2020

Good enough

By Apisit M

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May 20, 2020

Good lesson

By uttam c

•

Jan 24, 2020

Good course

By Koen V

•

Nov 15, 2018

Fun course!

By LIWANGZHI

•

Sep 5, 2018

lovein' it!

By Dan B

•

Aug 17, 2018

Nice course

By Sherifat A

•

Jun 21, 2018

I loved it.

By Ganapathi N K

•

Apr 30, 2018

Good course

By Ned C

•

Jan 4, 2018

very useful

By pavithra r

•

Oct 27, 2017

Good Course

By Sumeet M

•

Oct 16, 2017

Nice Course

By Javier N

•

Sep 18, 2017

Very useful

By Anupam A

•

Aug 25, 2017

good course

By Choo E

•

Jul 26, 2017

Appreciate!

By Piyush P

•

Jul 12, 2017

good course

By Gourav A

•

Mar 2, 2017

Nice course

By 罗星

•

Dec 26, 2016

very good !

By Utku K

•

Nov 14, 2016

Nice course

By Diya L

•

Oct 28, 2016

Excellent !

By Gaurav S

•

Aug 1, 2016

Nice course

By XIE C

•

Dec 4, 2021

Thank you!