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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

XX

Aug 15, 2018

The Swirl practice part is great! But there is a big gap between what we learned from video/swirl and the course project! The project is much harder than what I learn from the course.

WC

Nov 1, 2016

This course is amazing! I have spent the majority of my time in R merely doing analytics. This course taught me the tools needed to go out and grab the data that I need for those analytics.

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601 - 625 of 1,314 Reviews for Getting and Cleaning Data

By Cheng Z

•

Jan 2, 2017

Very useful and helpful

By Nathan M

•

Jun 11, 2016

Extraordinarily useful!

By Zhou c

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Jan 14, 2020

well-organized course!

By Swetha K

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Jul 26, 2018

Good one for beginners

By Andrei T

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Feb 19, 2018

Fantastisc course!!!!!

By Divvya T

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Oct 31, 2017

Great course to take !

By Erich F G

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Oct 19, 2017

Very Challenging class

By Michael A

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Aug 27, 2017

Very enjoyable course!

By Johannes K

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Dec 4, 2018

Really helpful course

By Benjamin

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May 17, 2016

A really good course!

By Nihal S G

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Nov 13, 2022

very nice experinece

By Shishir S P

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Aug 31, 2020

Enjoyed this course.

By Mohamed D

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Jan 23, 2020

Very easy to follow.

By 燕欣

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May 29, 2019

the project is good!

By Anand S

•

Aug 14, 2018

Good course and pace

By Abhishek S

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Jan 25, 2018

nice learning course

By Marco A I E

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Aug 4, 2017

Challenging and Fun!

By Saravanan

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Mar 2, 2017

Useful course for me

By yuanxiaohui

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Nov 11, 2016

Really great course!

By Noel C

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Jul 27, 2020

Excellent teachers!

By Milton A A

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Jun 17, 2018

A very nice course!

By MICHEL R

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Jan 31, 2018

Very useful content

By Veronica F V M

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Oct 3, 2017

I enjoy it a lot!!!

By Marina Z

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Jul 27, 2017

just a great course

By 陈莹

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Sep 16, 2016

Informative lesson!