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Analyzing the Competitive Balance of Different Soccer Leagues

Author and Project Information

• AUTHOR: TARA NGUYEN
• Project for the course Exploratory Data Analysis and Visualization at UCLA Extension
• Completed in December 2020

Contents

• Introduction
  • La Liga, the Premier League, and the Bundesliga
  • The Major League Soccer
  • The Current Project: Aim, Research Question, and Hypothesis
• Data Wrangling
  • Data Sets Before Import Into R
  • The Final Data Set
• Exploratory Data Analysis
  • Numbers of Teams That Finished in the Top 4
  • Points Per Game
  • Win Proportions
  • Points After Each Week in a Season
  • Points Per Game and Win Proportions for Teams That Finished in the Top 4
  • Comparing the Top 4 With Teams Outside the Top 4
• K-Means Clustering of Teams Based on Performances
  • Cluster Sizes and Means
  • Visualization of the Clusters
• Conclusions and Final Thoughts
  • Which Soccer League is the Most Competitive?
  • Possible Explanations and Confounding Factors