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In trying to get a grip on the newly released Shiny library for R I simply rewrote the example from the tutorial to work with ggplot. The code is taken from the Shiny Tutorial. I did not make any changes to ui.R provided in the tutorial. The rewritten server.R is below. [...] Even though several examples of great circle visualizations exist by now, I had not seen the code of one made with ggplot2. Both solutions offered, here using plot and here using lattice, basically loop through the great circle lines ordered from low to high number of flights and overplot the lines with fewer counts, which [...] During summer I usually spend a lot of hours locked up at an altitude of 30000+ feet, and this year I took ggplot2: Elegant Graphics for Data Analysis as reading material. ggplot2 is a data visualization package for the R statistical analysis platform. It is loosely based on “The Grammar of Graphics” from Leland Wilkinson, [...] |
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