Filter Movies by Ratings

Fix the Data Frame Code

Select and Filter Player Data

Selecting and Filtering Superhero Data

Select and Filter Data Efficiently

Modify Summarized Data Calculation

Fix the Summarize Function Bug

Group and Summarize Superhero Data

Summarize Product Prices

Grouping and Summarizing Data

Mutate and Sort Data Frame

Fix the Data Manipulation Code

Mutate and Arrange Hero Data

Mutate and Sort Data Properly

Superhero Strength Transformation

Combine and Reshape Data Professionally

Fix Combining and Reshaping Data

Combining and Reshaping Made Easy

Combining and Reshaping Task

Combine and Reshape from Scratch