OODA loops in professional basketball

John Boyd is considered by many to be the greatest air combat theorist in history, and he is also the creator of the OODA (observe, guide, decide, act) loop. Boyd argued that if a fighter pilot rigorously goes through the OODA loop faster than his enemy, he will maximize the probability of beating the enemy … Read more

NBA value chain map

This is the first draft of an idea that is growing up in my mind, and it’s to combine the Wardley Maps with the NBA. The NBA as organization is very rich, in so many aspects and it’s making a lot of continuous adjustments to evolve and be a competitive platform for the teams. It’s … Read more

Solvay conference in 1927

Solvay Conferences in 1927, which had an amazing 17 Nobel Prize laureates attending. The event has been called “the most intelligent picture ever taken in human history”. Back row: Auguste Piccard, Émile Henriot, Paul Ehrenfest, Édouard Herzen, Théophile de Donder, Erwin Schrödinger, Jules-Émile Verschaffelt, Wolfgang Pauli, Werner Heisenberg, Ralph H. Fowler, Léon Brillouin ; Middle … Read more

Box-cox transformation

These are reminder notes about Box-cox transformation. One of the problems that box-cox transformation tries to solve is “heteroscedasticity” (non-constant variance). This article explains the problem where you can apply box-cox transformation to solve it: https://blog.minitab.com/en/applying-statistics-in-quality-projects/how-could-you-benefit-from-a-box-cox-transformation SciPy has added an inverse Box-Cox transformation: https://docs.scipy.org/doc/scipy/reference/generated/scipy.special.inv_boxcox.html Does Box-cox always work? The answer is NO. Box-cox does not … Read more

AWS CloudFront with W3 Total Cache

I have been able to configure the CDN using this document: https://github.com/W3EDGE/w3-total-cache/wiki/FAQ:-CDN#how-do-i-configure-amazon-simple-storage-service-amazon-s3-or-amazon-cloudfront-as-my-cdn Basically you have to: 1.- Menu: Performance \ General Settings \ CDN –> Activate the CDN in the W3 Total Cache: 2.- In AWS go to : https://console.aws.amazon.com/iam/home#/security_credentials$access_key Create an “Access key”: 3.- Menu: Performance \ CDN —> enter the credentials, and then … Read more

Koncorde Big Players + DarkPool Index

This code is an indicator composed by 2 pieces of code that have been combined. Big players by Konkorde that are buying (https://www.blai5.net/blai5-koncorde-la-importancia-del-volumen/) DarkPool Index when it’s over 35% (https://squeezemetrics.com/monitor/download/pdf/short_is_long.pdf?) The individual goal of these indicators is to point to big player buying. So what if we combine the 2 indicators? The code An example … Read more

SpaceX, Elon Musk and Wardley Maps

I have seen these 3 videos of the Starbase tour with Elon Musk. Here video #1: https://youtu.be/t705r8ICkRw The reason was Pablo Bermejo pointed me to a specific sequence: this one in video #2, where he pointed to the PST model (Pioneer, Settlers and Town Planners model from gameplays proposed by Wardley Maps). So after watching … Read more

Time Series notes

I have done this course proposed by Kaggle, and I would like to take some notes. The trend component of a time series represents a persistent, long-term change in the mean of the series. We mainly have: Time dependent properties: trends and seasonality. Serial dependent properties: Cycles and lagged series 1. Trends The trend component of a time series … Read more