Chevron Left
Back to Getting and Cleaning Data

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

7,951 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:

251 - 275 of 1,283 Reviews for Getting and Cleaning Data

By Muhammet A

Apr 21, 2019

By Keidzh S

Mar 12, 2018

By Quiniou C

Sep 16, 2017

By Rohit A

Jun 12, 2019

By Asif M A

Apr 18, 2016

By Admet Z

Nov 7, 2017

By Sravan K

May 28, 2017

By Sreedharrao R

Feb 6, 2016

By Rosane H G

Sep 7, 2020

By juan p d

May 15, 2016

By Manuel M M

Sep 9, 2019

By Sérgio A V G P

Jun 6, 2016

By Hector M

May 19, 2016

By Alfonso L

Mar 19, 2020

By Hariharan D

Jul 13, 2017

By Rodrigo C

Oct 11, 2017

By Jhon A R G

Aug 3, 2020

By Thiago M

Aug 12, 2019

By José E T

Aug 5, 2017

By Eric F

Nov 6, 2016

By Gayathri N

May 7, 2020

By Сетдеков К Р

Sep 27, 2018

By Lee W

Oct 4, 2017

By Ryan H

Sep 23, 2017

By Alessandro P

Feb 9, 2016