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
215,475 already enrolled
Included with
Gain insight into a topic and learn the fundamentals.
2 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
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 Integration
- Category: Data Management
- Category: Data Processing
- Category: Data Preprocessing
- Category: File Management
- Category: SQL
- Category: Data Transformation
- Category: Web Scraping
- Category: Data Access
- Category: Data Cleansing
- Category: Data Import/Export
- Category: Data Manipulation
- Category: Data Wrangling
- Category: Data Collection
Tools you'll learn
- Category: R (Software)
- Category: MySQL
- Category: Application Programming Interface (API)
- Category: R Programming
Details to know
Shareable certificate
Add to your LinkedIn profile
Assessments
4 assignments
Taught in English
Build your subject-matter expertise
This course is available as part of
When you enroll in this course, you'll also be asked to select a specific program.
- Learn new concepts from industry experts
- Gain a foundational understanding of a subject or tool
- Develop job-relevant skills with hands-on projects
- Earn a shareable career certificate
There are 4 modules in this course
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Instructors
Jeff Leek, PhD
Johns Hopkins University
32 Courses1,765,256 learners
Offered by
Johns Hopkins University
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