Tag Archives: Randy Sargent

Randy Sargent on Using Spectrograms to Visualize Heart Rate Variability

Let’s start 2016 with a very interesting talk by Randy Sargent about how to visualize the very large data sets produced by some kinds of self-tracking. Randy’s idea about using spectrograms, normally used for audio signals, to create a portrait of your own time series data, is completely novel as far as I know. If you have tried something similar, please get in touch.

 

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