joapen projects

“Thinking fast and slow” in companies: how to use systems 1 and 2 proposed by Daniel Kahneman to find out prevailing doctrines in an organization

August 10, 2021 by joapen

Thinking fast and slow It’s the title of a book written by Daniel Kahneman. Actually it’s a thesis on decision making and behavior when making decisions of an economic and social nature … Daniel Kahneman worked for many years alongside his colleague Amos Tversky. They studied many heuristics. Daniel won the Nobel Prize in economics in 1992 and … Read more

WordPress blocked your IP due to several 406 errors

August 7, 2021 by joapen

This is something that sometimes is happening to me when I use the WordPress app from the mobile to upload a post. On Apache there is a software called ModSecurity that prevents from attacks to the web and blocks the IPs when there are recurrent errors. The problem is when your IP is the one … Read more

Risk, probability and impact

August 6, 2021 by joapen_admin

There’s a spanish proverb that says: “A picture is worth a thousand words”, and this one fits with it:

The LUMA System of Innovation

July 26, 2021July 26, 2021 by joapen_admin

The LUMA System of Innovation is a visual framework of human-centered design that forms a toolset and shared language for innovation. It covers different methods and situations based on the combination of 36 human-centered design methods that are organized in 3 fundamental design skills: looking, understanding and making. I have used some of these methods … Read more

How Facebook is trying to become a metaverse company

February 25, 2023July 23, 2021 by joapen

In the past, I did a quick review about how Facebook works, and an analysis of how the video games industry has evolved. On this last one, you can see how the concept “metaverse” starts to be present in the companies trying to attract users to their video games and environments. On this map, I … Read more

Cost of data exploitation

July 14, 2021 by joapen

If you have a mine, the cost of obtaining a kilo of gold, aluminum, cooper or whatever, they all measure the cost of obtaining a kilo of the target element. With the machine learning projects, the situation is similar, and the definition of cost of data exploitation is something that should be defined from early … Read more

Year 4, Q3 books

October 28, 2021July 3, 2021 by joapen

During Q2 I’d been learning about Machine Learning on Kaggle. This quarter, and taking into account all things happened with my son Ariel (he had his heart operation), I have decided to focus on the writing a couple of books I have in my mind: One notebook about Wardley maps. One book about all happened with Ariel … Read more

Machine Learning, using LSTM to predict S&P 500

June 17, 2021June 17, 2021 by joapen

This post gather the analysis of data done with market breadth data, VIX, DIX and GEX. They are moved into a Long Short Term Memory (LSTM) neural network, that is a recurrent neural network. You can check the code and read how the whole thing is done. Input data The used features as input are: … Read more

Crisis 2038, a novel by Gerald Huff

June 15, 2021 by joapen_admin

The name of this novel comes from the problem generated by 32-bit integer where the digital representation of the time in many digital systems goes from 00:00:00 UTC on 1 January 1970 to 03:14:07 UTC on 19 January 2038. After that time these systems cannot encode more seconds. The book covers different angles of the … Read more

Looking for a machine learning model that hits S&P 500 daily change using market breadth data, DIX, GEX, VIX.

June 10, 2021 by joapen

This is the third version of a code I have started to write while learning the concepts of Machine Learning. Changes with respect the previous versions Shift(-1) have been removed for the SPX price, I consider is an error to add it. I have added data related to DIX, GEX (since 2011) and VIX (since … Read more