July 23, 2020

Hazard Function in Survival Analysis

I’m using this video as my introductory lesson to the hazard function. The hazard function can be defined as follows. \[h(t) = \frac{f(t)}{S(t)}\] Given that \(S(t)\) is the survival function...

July 18, 2020

Lattice and Lattice-Based Access Control

I happened to stumble upon this article by Ravi S. Sandhu from George Mason University. The article was stored in a server run by the Electrical Engineering and Computer Science...

July 14, 2020

Weibull Distribution

We’re going to take a look into the Weibull distribution. As explained in this slide from Maynooth University, the Weibull distribution is commonly used to model the time to failure...

July 03, 2020

Exponential Distribution

According to this note from the book Advanced Analytical Models by Johnathan Mun, the exponential distribution is used to describe events recurring at random points in time while the Weibull...

June 23, 2020

Vector Operations

Vectors are geometric objects with magnitude and direction. Vectors are spatial in nature, and is commonly used to model movements of objects in 2D or 3D space. Vectors can be...