Chapter 1 Introduction

1.1 What is data visualization?

  • The visual data information delivery that is self-contained, concise, and non-distorting.

Q: Can you give some example?

Q: What’s wrong with this news? “新台幣開盤 重貶1.19角”——聯合報

1.2 What is covered / not covered in this course?

  • What is covered:
    • Partial R introduction for the needs of graphing.
    • Grammar of graphics with several R package to practice.
    • Interactive web-based graph design.
  • What is not covered:
    • Data cleaning.