Confessions of a researchaholic

April 18, 2021

Evening fence

Filed under: Real — liyiwei @ 8:51 pm
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I have more ideas than the amount of the time I have, for both research and creation, and ended up spending time to figure out what to do.

Users in the loop

Filed under: Real — liyiwei @ 6:31 pm
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Two great talks I watched today about having users in the loop for software desig, development, and monitoring.

https://arxiv.org/abs/2101.11218

April 17, 2021

Good charts

Filed under: Real — liyiwei @ 8:53 am
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This is an excellent practical guide to information visualization, with three main parts: a theoretical background including a brief history, perceptual mechanisms, and types of visualizations; a workflow part of chart design and prototype; and finally how to present and read charts. The book concludes with the observation of upcoming interactive visualizations enabled by computer programs beyond traditional static charts for print mediums.

In addition to the technical content, the book has beautiful layout and examples, with pointers for further readings.



April 16, 2021

Associative memory

Filed under: Real — liyiwei @ 4:12 pm
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Looking at this dithering technique today brought back memories of my previous work on blue noise sampling and the associative life, almost like traveling back in time.



April 10, 2021

Krispy Kreme

Filed under: Imaginary,Real — liyiwei @ 10:28 pm
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This creation was inspired by recent discussions centered at this tweet.

April 4, 2021

Spiral staircase dream

Filed under: Real — liyiwei @ 5:12 am
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The plot of a dream can correlate with physical sensations.

April 3, 2021

Bearded profile

Filed under: Real — liyiwei @ 9:58 pm
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Small changes can cause large perceptual differences in a face sketch.

April 1, 2021

Remote working

Filed under: Real — liyiwei @ 1:47 am
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Since I do not really have the notion of “work” days, I am already well set-up for remote work when the lockdown started.
🙂

March 31, 2021

Total return swap

Filed under: Real — liyiwei @ 10:27 am
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I listened to this WSJ podcast about recent block selling from some banks caused by a total return swap.

Apparently, it is possible to structure financial instruments into various forms as long as there are counter parities on each side.
In that particular case, a bank purchased a set of stocks and swapped the variable return (dividends and capital gains/losses) with a fixed return, and had to sell the assets when the counter party failed to pay for capital losses, causing further downward spiral.

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