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On Sampling
In a past exercise (the one on a simplified visualization of Netflows), I had a very big file, and I wanted to extract a subset of the data to demo a visualization. The first part of the entry was about a way to divide a big file into smaller chunks, and extract samples with a…
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A (very) simple “Network Traffic Visualization” using Network Graphs
A network visualization has nodes and edges. I like to apply it to actual IT Networks Traffic visualizations, where there are connections (edges) between two IP addresses/machines (i.e. “nodes”). Let’s try and apply that to some Netflow data… Getting the data After some searching (that was some time ago now), I came across secrepo.com. There…
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Loading libraries in R
It should be fairly easy Where do I load my libraries in my script? Because well, in R, you CAN load a library when you need it. But after a while, it becomes an issue. And here is my personal recommendation: Don’t. Why does it matter? For one, libraries sometimes have overlapping functions. This is…