Accessing and plotting World Bank data with R
That's about it. From Duncan we have learned how to create the URL string to query the data base, and how to transform the query result from JSON into a data frame. The rest is re-arranging the data and combining the various data sets to get the final table. We display it via a motion chart using the gvisMotionChart function of the googleVis package. You find the detailed R code below. ## This dem
How to map connections with great circles
There are various ways to visualize connections, but one of the most intuitive and straightforward ways is to actually connect entities or objects with lines. And when it comes to geographic connections, great circles are a nice way to do this. Here’s the technical definition of great circles on Wikipedia: A great circle, also known as a Riemannian circle, of a sphere is the intersection of the sp
How to Make Bubble Charts
Ever since Hans Rosling presented a motion chart to tell his story of the wealth and health of nations, there has been an affinity for proportional bubbles on an x-y axis. This tutorial is for the static version of the motion chart: the bubble chart. A bubble chart can also just be straight up proportionally sized bubbles, but here we’re going to cover how to create the variety that is like a scat
Test Page for the SSL/TLS-aware Apache Installation on Web Site
Hey, it worked ! The SSL/TLS-aware Apache webserver was successfully installed on this website. If you can see this page, then the people who own this website have just installed the Apache Web server software and the Apache Interface to OpenSSL (mod_ssl) successfully. They now have to add content to this directory and replace this placeholder page, or else point the server at their real content.
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