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CodeSignal

Data Manipulation in R with dplyr

via CodeSignal

Overview

Master data manipulation using the dplyr package. This course will help you perform data wrangling tasks such as filtering, selecting, summarizing, and mutating data effectively.

Syllabus

  • Lesson 1: Selecting and Filtering Data
    • Filter Movies by Ratings
    • Fix the Data Frame Code
    • Select and Filter Player Data
    • Selecting and Filtering Superhero Data
    • Select and Filter Data Efficiently
  • Lesson 2: Summarizing and Grouping Data
    • Modify Summarized Data Calculation
    • Fix the Summarize Function Bug
    • Group and Summarize Superhero Data
    • Summarize Product Prices
    • Grouping and Summarizing Data
  • Lesson 3: Mutating and Arranging Data
    • Mutate and Sort Data Frame
    • Fix the Data Manipulation Code
    • Mutate and Arrange Hero Data
    • Mutate and Sort Data Properly
    • Superhero Strength Transformation
  • Lesson 4: Combining and Reshaping Data
    • Combine and Reshape Data Professionally
    • Fix Combining and Reshaping Data
    • Combining and Reshaping Made Easy
    • Combining and Reshaping Task
    • Combine and Reshape from Scratch

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