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.
Getting and Cleaning Data
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Getting and Cleaning Data
This course is part of multiple programs.
Instructors: Jeff Leek, PhD +2 more
215,441 already enrolled
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8,079 reviews
2 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
90%
Most learners liked this course
What you'll learn
Understand common data storage systems
Apply data cleaning basics to make data "tidy"
Use R for text and date manipulation
Obtain usable data from the web, APIs, and databases
Skills you'll gain
- Category: Data Transformation
- Category: Web Scraping
- Category: Data Access
- Category: Data Manipulation
- Category: File Management
- Category: SQL
- Category: Data Cleansing
- Category: Data Integration
- Category: Data Wrangling
- Category: Data Processing
- Category: Data Collection
- Category: Data Import/Export
- Category: Data Management
- Category: Data Preprocessing
Tools you'll learn
- Category: Application Programming Interface (API)
- Category: MySQL
- Category: R Programming
- Category: R (Software)
Details to know
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Assessments
4 assignments
Taught in English
Build your subject-matter expertise
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There are 4 modules in this course
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Instructors
Instructor ratings
(337 ratings)Jeff Leek, PhD
Johns Hopkins University
32 Courses1,764,842 learners
Offered by
Johns Hopkins University
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Showing 3 of 8079
AT
Reviewed on Nov 19, 2017
Very interesting and enjoyed doing the Assignment. but the assignment instructions are not clear.A lot of time was wasted trying to figure out what data is what are what are we interested in.
VV
Reviewed on Nov 25, 2017
A lot of insight and practical knowledge of cleaning data that is available in many places in the Internet. I loved this course and it took me 2 tries to pass the peer graded assignment. ;)
SB
Reviewed on Mar 16, 2018
So knowledgeable and interesting course. I have learned much about data cleaning and getting from different sources. Finally thanks to coursera team for giving us the opportunity.