Introduction to CNN Permalink
You can watch the video for a nice walk-through. Here is just some notes from that video. A nice interactive playground based on tensorflow can be found here.
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Comparison of Time-Frequency Transforms
Stefan Scholl made a nice comparison between different kinds of time-frequency transforms available: Fourier, Gabor, Morlet or Wigner. The paper on Arxiv is ...
Haskell
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R Notes
R is popular among statisticians and biologists. It is one of the most commonly used languages in data analysis.