Chevron Left
Back to Getting and Cleaning Data

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

7,986 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


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.


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.

Filter by:

276 - 300 of 1,291 Reviews for Getting and Cleaning Data

By Alessandro P

Feb 9, 2016

By Patrícia A F

Apr 6, 2019

By reem z

Jun 22, 2018

By Tine M

Nov 14, 2017

By Robert K

May 1, 2017

By Boris B

Feb 6, 2016

By Maxim S

Aug 26, 2020

By Alia E

Feb 27, 2017

By Tseliso M

Feb 2, 2017

By Carlos M

Feb 2, 2016


Oct 14, 2020

By Tomas M

Aug 22, 2017

By Dmytro I

May 15, 2017

By sambit c

Oct 12, 2016

By Kseniia K

May 3, 2016

By Wang J

May 1, 2016

By leo n

Aug 8, 2019

By Jorge A B J

Jul 25, 2019

By Puja G

Feb 6, 2018

By Stephen A

Oct 3, 2020

By Abay J

Jan 20, 2019

By Ajendra S

Aug 29, 2018

By Tiago P F

Jan 3, 2018

By jutzhang

Jun 26, 2016

By Andaru P

Feb 12, 2016