Comparative visualizations of electorate data
Let's look now at a dataset from another general election, this time from Russia in 2011. Russia is a much larger country, and its election data is much larger too. We'll be loading two large Excel files into the memory, which may exceed your default JVM heap size.
To expand the amount of memory available to Incanter, we can adjust the JVM settings in the project's profile.clj. The a vector of configuration flags for the JVM can be provided with the key :jvm-opts. Here we're using Java's Xmx flag to increase the heap size to 1GB. This should be more than enough.
:jvm-opts ["-Xmx1G"]
Russia's data is available in two data files. Fortunately the columns are the same in each, so they can be concatenated ...
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