An ongoing text like this can use something to track its changes; this seems like a good place to start.

This webpage has been up for about five years, but I've started to get a little less shy about sharing links as it fills in. The intro describes what this text is, but a few other notes don't fit in there so well.

First: This is maintained primarily as a set of R Markdown files. Historically, I've served those through Yihui Xie's generally strong Bookdown package. But as I start to fit in some Python and Javascript code and generally do more complicated things involving specific parts, that's gotten a bit more difficult. And the compile times for Bookdown have gotten excrutiating, to the point where I didn't upload the last week's outline from the 2021 iteration of this course largely because fixing all the compile-time errors would have been too much.

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