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Overview

Figure 1: The camera is a very finicky but fun 1950s Zorki-4. The easiest way to reach me is to send an email toa@xkqr.

News

Blog 24 days ago
A noob learns FFT
I have never done any time-frequency transformations. I understand the general idea, but I have never worked with the details. Today I had a reason to use it, but that means learning the basics first. The following is three seconds of a single 5 Hz sine w
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Blog 30 days ago
Purely functional digital circuit simulator (SICP 3.3)
I have a copy of SICP, or as it is also known, The Wizard Book. This book is widely praised, but I can't take the time to work my way through all of it. Instead, I'm going to occasionally jump into the parts of it that look interesting. Since last week, a
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Blog 2 months ago
Digital circuit simulator in Haskell (SICP 3.3)
I have a copy of SICP, or as it is also known, The Wizard Book. This book is widely praised, but I can't take the time to work my way through all of it. Instead, I'm going to occasionally jump into the parts of it that look interesting. In the previous tw
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Blog 2 months ago
Kuiper Q-Q plot: are these the same?
When we tried to get an intuition for the differences in distribution functions, we learned that children subjected to a treatment had greater variation in their score than the reference group. (Continue reading the full article on the web.)
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Blog 2 months ago
Intuition for distribution differences
Imagine every person in a country is assigned some sort of score, and a higher score is better. I can't share the specifics around the score I'm investigating right now, but on the population level it is collected by a government agency. Here's the distri
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