Inverting a matrix is one of the most common tasks in data science and machine learning. In this article I explain why inverting a matrix is very difficult and present code that you can use as-is, or ...

The concept of a skill matrix was introduced when a manager’s supervisor asked about coverage during vacation and whether a matrix of key competencies was in place. This highlighted the importance of ...

Seven years ago, I took a bet with Charles Murray about whether we’d basically understand the genetics of intelligence by now ...

A breakthrough in gemstone science has arrived with the introduction of Young's Durability Scale, a comprehensive new framework for evaluating the durability of jewelry-quality gemstones. Developed by ...

Discrimination is unequal treatment based on physical characteristics or social group assignment. While “to discriminate” simply means to divide, or make distinct, to “discriminate against” connotes ...

From 2020 to 2023, the Department of Veterans Affairs (VA) conducted a national pilot of a rideshare program to support homeless patients’ transportation needs to obtain critical resources and attend ...