We all know it’s been a while since I posted.

For one thing, last weekend I was working on the most important applied mathematics of the year: my income taxes. When they were done in principle (Friday evening), I went out and bought 4 DVDs and some chips and dip, and watched movies for a while.

Monday, I was at a friend’s, doing some Mathematica and some quantum mechanics.

Instead of doing a little bit of a lot of things, last weekend and this weekend, I focused on PCA / FA for the blog. I’ve done almost no other math. There were a bunch of PCA / FA things that just seemed like they should all be done before I started publishing any of them.

Technical posts on PCA / FA went out yesterday and today. More importantly, if you’re following that subject, there are 8 more posts ready to go: all I have to do is hit the “publish” button. I expect to put out one a day, no more. That may be overwhelming as it is.

Not exactly a steady pace, but there it is.

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