Data Visualization

Waht is data

  • Data is a set of values of qualitative or quantitative variables.

data visualization

  • Representing data visually
    • Encoding data using visual channels (e.g. colors)
  • Communicate information efficiently using statistical graphics and plots

How are we trending?

How about now?

How about now?

Why Data Visualization?

  • The human brain automatically interprets what we see without thinking
  • A picture is worth a thousand words

Data Visualization Tools

Color

Data Visualization Tools

Shape

Data Visualization Tools

Size

Data Visualization Example - Letter Frequencies

Data Visualization Examples - presidential election

Thanks!

Any questions?

Data Visualization

By Wenbin He

Data Visualization

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