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

4.5
stars
8,047 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

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.

BE

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.

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551 - 575 of 1,306 Reviews for Getting and Cleaning Data

By Jesús A

Feb 12, 2018

Challenging course! I loved it

By Antoine d L

Nov 16, 2017

Nice and challenging exercices

By Umer A

Aug 8, 2017

A very well structured course.

By jirong h

Sep 18, 2016

Useful to get the basics right

By Lucyna K

Dec 19, 2020

Fantastic - highly recommend!

By Basel T

Jun 30, 2020

well structured and fantastic

By Shashwat K

Jul 26, 2020

Great concepts and teaching.

By Vibhutesh K S

Nov 17, 2018

It was really a good course.

By 卢君

Apr 11, 2018

A little bit hard for newbie

By Javier A

Mar 16, 2017

Very useful. Well structured

By Avtandyl R

Nov 28, 2016

Cool course,very useful info

By Sudhir B

Jul 7, 2016

The examples used were good.

By Shayan A K

Apr 23, 2016

outstanding!!. learnt a lot.

By Benedikt K

Jan 19, 2022

tough, yet so informative!

By Farah N

Jan 6, 2019

I liked the course project!

By REEK M

Jan 22, 2018

Toghest assignment till now

By Mauricio C

Dec 30, 2017

Tough one! I learned a lot!

By Marco L

Jul 13, 2016

Excelente, muy recomendable

By Khem W

Jan 20, 2023

really help up the thoughs

By David W (

Aug 1, 2019

very thorough and complete

By Gabriele R

Jul 15, 2019

Wonderful course, as usual

By Jagat R S

Feb 17, 2019

Great learning! Thank you.

By carl w

Jun 26, 2018

Lot of useful information.

By Luis M M R

Dec 26, 2017

Very good.

Congratulations!

By Souvik S

Nov 16, 2017

exceptionally great course