Visualizing data

The first step- often the most important step- in statistical analysis is to visualize your data, which means using plots and graphs. Can you see a difference between experimental treatments? Are there any other interesting patterns? A carefully considered plot can be essential for communicating your findings.

 

Additional Resources


Presenting Results - StatsTree Handout

Whitlock & Schluter - The Analysis of Biological Data

Chapter 2: pages 27-51 [Sapling]

 

Data visualization in R

Intro: This video will teach you how to visualise your data using R.

 

The beauty of data visualization

Intro: TED-Ed talk, turning complex data sets into beautiful, simple diagrams that tease out unseen patterns and connections.

A Comprehensive Guide to Data Visualisation in R for Beginners

Intro/intermediate/advanced: An overview of the R visualisation capabilities.

 
 

Colors in R

List of colors with R codenames.


Review Questions

 
  1. What type of plot could be used to visualize the distribution of a measurement?

  2. What type of plot could be used to visualize the difference between two experimental treatments?

  3. What type of plot could be used to visualize a relationship between two numerical variables?

The Next Steps


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