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:

301 - 325 of 1,291 Reviews for Getting and Cleaning Data

By Luz M S G

Aug 29, 2020

By Vitalii S

Jul 20, 2017

By Karthic C

Jul 17, 2017

By Thor R

Jan 18, 2019

By Raunak S

Oct 5, 2018

By Sunder R V

Aug 27, 2017

By Roberto D

Jun 21, 2017

By Jairo A V G

Jun 25, 2020

By Premkumar S

Sep 27, 2018

By Zhongrun X

Mar 31, 2016

By Đức T N

Oct 16, 2022

By Waeibrorheem W

Oct 12, 2020

By Gustavo d P P

Sep 13, 2019

By Yi-Yang L

Mar 8, 2017

By Bruno

Jun 4, 2016

By valeriu p

Oct 2, 2017

By Matthew

Feb 22, 2017

By Bill K

Feb 10, 2016

By Diego A Q

Jun 3, 2019

By Siva M

Dec 6, 2018

By Joseph G N

Nov 5, 2018

By Raphael P

Jun 23, 2018

By Gustavo P F d X

Jan 15, 2017

By Bruno K

Feb 17, 2016

By Marco M

Oct 9, 2020