Have you ever thought about the format of data you are dealing with? Is it long or wide? Which format is better for your analysis? In this course, Reshaping Data with R, you will gain the ability to reshape and aggregate data using the R programming language. First, you will learn how to transform wide-format data into long-format data. Next, you will discover how to reshape data from long format to wide format. Finally, you will explore how to aggregate data with and without group variables. When you are finished with this course, you will have the skills and knowledge of reshaping data needed to manage your data more effectively for statistical analysis and data visualization. Software required: R*
Author Name: Okan Bulut
Author Description:
Okan Bulut is an Associate Professor of Educational Measurement, Psychometrics, and Data Science and an active member of the Centre for Research in Applied Measurement and Evaluation at the University of Alberta. He teaches undergraduate-level and graduate-level courses on psychometrics, statistics, data mining, and programming. Okan’s current research interests include statistical programming, interactive data visualization, computer based testing, and technology-enhanced assessments. Okan is a… more

Table of Contents

• Course Overview
  1min
• Introduction
  23mins
• Reshaping Wide Data to Long Data
  37mins
• Reshaping Long Data to Wide Data
  29mins
• Reshaping Data Based on Aggregated Values
  20mins
• Course Recap
  8mins