Blog posts

2020

Influence diagrams as a maintenance decision making tool

8 minute read

Published: July 21, 2020

An influence diagram is a simple visual representation of a decision problem. It offers an intuitive way to identify and display the essential elements, including decisions, uncertainties, and objectives, and how they influence each other. These dependencies can be viewed more clearly than a decision tree. These diagrams, also called decision graphs, consist of a direct acyclic graph (DAG) known as its structure that depicts relationships among variables in a decision problem and conditional probabilities distribution of each node given evidence on its parents (nodes that have a direct arc into the considered node) known as its parameters. An influence diagram has 3 types of nodes as shown by the following nodes:

Scientist (mis)communications

less than 1 minute read

Published: February 18, 2020

“Words are the source of misunderstandings”

2019

Tutorial on non linear analysis

7 minute read

Published: February 11, 2019

Nonlinear time series analysis is a form of applied non-linear dynamics in chaos theory. I will present the main tools so I hope you can enjoy this tutorial!

2018

Why I practice Kenjutsu

6 minute read

Published: April 08, 2018

I wrote this essay as part of my +1 rank at the dojo. I hope this explains my motivation to learn Japanese martial arts.

Video Games and Depression

6 minute read

Published: April 01, 2018

I have played an awful lot of video games. The first experience I had was with Jordan Mechner’s Prince of Persia for MS-DOS. Since then, I played various ones from FPSs, RPGs, TPSs, strategy, etc. Some of them stand out… others not much. But the interest in playing a new game almost always guarantees my attention.

Tutorial on Principal Component Analysis

12 minute read

Published: March 24, 2018

This started off as a modest attempt by me to create a tutorial on PCA… it quickly became a lot more complicated than it should have. I started asking questions to myself which I had not answers for and got confused in various places. None the less, it has helped to improve my understanding on PCA. Good luck!

The Arrogant

less than 1 minute read

Published: March 16, 2018

In my experience, the superior professor, is he or she who resists the throes of arrogance to do even more than what comes easy. And that requires throwing off the cloak of invincibility to show the willingness to fail, the perseverance to succeed, and the humility to invite others into exploring the fuzzy edges of the universe. I do not characterize any of my PhD professors as arrogant, even though they are top in their fields and can afford to be snobbish about it. They are brilliant scholars, extraordinary researchers and, most of all, inspiring academics who convinced me to become an academic, showed me how to use my innate abilities, and not just flaunt my own. Its just the latter experiences in my life with a selected few that has been… less than extraordinary.

Reflecting

less than 1 minute read

Published: February 21, 2018

One of my fondest memories of my early academic life is hanging around with my fellow aspiring researchers at the coffee shop and discussing wacky ideas. These ideas weren’t always ground breaking and we certainly weren’t going to change the world… but these meetups promoted our creative thought and motivated us in various ways to do competitive research.