Course Description

About the Course

Importing or reading data is one of the most basic and crucial stages of data analysis. In this introductory course, you will learn to read data into R from different sources and in multiple formats. You will examine the challenges in reading data and use appropriate methods to address them.

What will I learn?

After completing this course, you should be able to:

  • read data from flat/delimited files
  • handle column names/headers
  • deal with text/info in data files
  • specify data types
  • read/skip specific columns

What are the prerequisites for this course?

  • Introduction to R course
  • Good internet connection
  • Passion to learn

Course curriculum

  • 1

    Course Materials

    • Slides

    • R Script

    • Data

    • Blog Post

  • 2

    Introduction

    • Introduction to readr package and delimited files

  • 3

    Learn to read data

    • Read data from CSV file

    • Learn to specify file location

  • 4

    Handle column names

    • Learn to handle missing column names

    • Learn to specify column names

  • 5

    Skip/Maximum Lines

    • Learn to skip rows before reading data

    • Specify maximum number of rows to read

  • 6

    Handle column data types

    • Detect column data types

    • Specify column data types

  • 7

    Read select columns

    • Learn to skip columns

    • Learn to read specific columns

  • 8

    RStudio IDE

    • Learn to read data using RStudio IDE

  • 9

    Summary

    • Summary

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