Pro Data Visualization Using R and JavaScript: Analyze and Visualize Key Data on the Web

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

T. Barker, J. WestfallPro Data Visualization Using R and JavaScripthttps://doi.org/10.1007/978-1-4842-7202-2_6

6. Visualizing Data over Time

Tom Barker¹   and Jon Westfall²

(1)

Pipersville, PA, USA

(2)

Cleveland, MS, USA

 

The last chapter discussed using access logs to create data maps representing the geographic location of users. We used the map and mapproj (for map projections) packages to create these visualizations.

This chapter explores creating time series charts, which are graphs that compare changes in values over time. They are generally read left to right with the x-axis representing some measure of time and the y-axis representing the range of values. ...