Motion Charts

Moving bubble charts or motion charts are scatter plots that show the changes in multiple variables with time. You may have seen these types of charts as shown by Hans Rosling of Gapminder. I have used this same style of chart to show the variation in temperature and sunshine hours throughout the year. Why those two variables? Because for managed turfgrass, the two factors affecting photosynthesis but not able to be controlled by the turf manager are light and temperature. These charts show how temperature and sunshine (light) vary throughout the year for different cities around the world.

This is a guide to the use of the charts and how they can be modified to change the view and the display of the data.

motion chart guide

Here is an interactive chart with the climatological normal data for 46 world cities.

ATC_moving_climate_chart

style="width: 700px; height: 500px;">

Data: ATC.climatological.data • Chart ID: ATC_moving_climate_chart
R version 2.12.1 (2010-12-16) • googleVis-0.2.6

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On Data, Charts, and Software

Data shown on these charts are from the World Meteorological Organization and, in the case of the Japan motion chart, from the Japanese Meteorological Agency.

The static charts were made using the ggplot2 package in R. Motion charts were made using the googleVis package in R. This document explains the procedure I used to make a motion chart with data from 52 world cities.

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