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CodeSignal

Data Frames in R

via CodeSignal

Overview

Dive into one of the most essential data structures in R: data frames. This course will teach you how to create, manipulate, and perform operations on data frames, a fundamental skill for data analysis and manipulation.

Syllabus

  • Lesson 1: Creating and Inspecting Data Frames
    • Creating and Inspecting Data Frames
    • Update Data Frame Values
    • Fix Errors in Data Frame
    • Complete Data Frames in R
    • Creating and Exploring Data Frames
  • Lesson 2: Manipulating Data Frames
    • Manipulate Data Frames Effectively
    • Change The Bonus
    • Fix the Bug in Data Frame
    • Manipulate Movie Characters Data
    • Manipulate Data Frames from Scratch
  • Lesson 3: Basic Data Frame Operations
    • Data Frame Operations in R
    • Filter Characters by Age
    • Fix the Data Frame Operations
    • Complete the Data Frame Operations
    • Data Frame Operations From Scratch
  • Lesson 4: Data Frame Calculations
    • Data Frame Calculations in Action
    • Min to Max
    • Fix the Data Calculations Bugs
    • Add Calculations to Data Frame
    • Write Data Frame Calculations
  • Lesson 5: Data Aggregation
    • Aggregating Data in R
    • Grouping Data into New Categories
    • Fixing Data Aggregation in R
    • Adding and Aggregating Columns
    • Aggregate Students Data in R
  • Lesson 6: Data Cleaning Techniques
    • Data Cleaning in R
    • Mean to Median
    • Fixing Data Cleaning Code
    • Clean Up The Superhero Data Frame
    • Mastering Data Cleaning in R

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