Sharing this because the I found the examples tikz folder to be very instructive and well-organized since each example juxtaposes a rendered image alongside the source code; for instance,<p><a href="https://github.com/MartinThoma/LaTeX-examples/tree/master/tikz/kalman-filter" rel="nofollow">https://github.com/MartinThoma/LaTeX-examples/tree/master/ti...</a>