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SIMPLIFIED TUTORIAL, 1 (in the series where we break down concepts intuitively):
Before we talk about correlation, let’s discuss standard deviation, its analog in dimension 1. People don’t get while using it as a metric for deviation!
See the whole book (gets technical beyond Chapter 5)
Link to the Book: Statistical Consequences of Fat Tails: Real World Preasymptotics, Epistemology, and Applications
What are Fat Tails? This is very introductory. See the whole book (gets technical beyond Chapter 5)
Link to the Book: Statistical Consequences of Fat Tails: Real World Preasymptotics, Epistemology, and Applications
“Black Swan” author Nassim Nicholas Taleb on Friday criticized bitcoin as a “gimmick,” telling CNBC he believes it’s too volatile to be an effective currency and it’s not a safe hedge against inflation.
Basically, there’s no connection between inflation and bitcoin. None. I mean, you can have hyperinflation and bitcoin going to zero. There’s no link between them,” Taleb said in a “Squawk Box” interview.
Link to the interview: cnbc.com/2021/04/23/bitcoin…
Countries that Panicked Early Did Best: A Conversation With Yaneer Bar Yam
Link to the Study – The Zero Covid strategy protects people and economies more effectively
A VERY SIMPLIFIED TUTORIAL (VERY SHORT)
Correlation measures are misused in the presence of nonlinearities.
(How a measure of unintelligence can give the illusion of high correlation with performance.)
Correlation measures are not supposed to be used in the presence of nonlinearities. When 2 variables correlate half the time (in a symmetric way around the mean), correlation will not be 50% but will show ~90%. Part of debunking IQ studies. If IQ works for disabilities but does not correlate with success, there is an illusion of correlation because of the biases in the metric.
Most of the tension resides between 1) Embedded, complexity-minded, multiscale/fractal localism (politics as an ecology/complex adaptive system), and 2) Abstract one-dimensional universalists and monoculturalism (politics as a top-down engineering project). We go beyond the verbalism; we rely on information theory, complexity theory, uncertainty approaches (say fragility), and probabilistic rigor to look at politics with the same eyes as we examine highly dimensional interactive elements such as nature, biological systems, internet networks, and medical issues.
Link to Paper – academia.edu/38433249/Scala_Politica
Link to article – Some (Mis)Understanding of Life Expectancy, With Some Good News
Link to Paper – academia.edu/41442347/Informational…
Nassim and Yaneer discuss the Danish study on Face Masks published by Bundgaard et al., “Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers.”
HYPOTHESIS TESTING IN THE PRESENCE OF FALSE POSITIVES: THE FLAWS IN THE DANISH MASK STUDY
How do you learn a language? There are two routes; the first is to memorize imperfect verbs, grammatical rules, future vs. past tenses, recite boring context-free sentences, and pass an exam. The second approach consists in going to a bar, struggling a little bit and, out of the need to blend-in and integrate with a fun group of people, then suddenly find yourself able to communicate. In other words, by playing, by being alive as a human being. I personally have never seen anyone learn to speak a language properly by the first route. Also, I have never seen anyone fail to do so by the second one.
Read the complete foreword on Medium.
Get the book on Amazon.