I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Abstract: The convergence of expectation-maximization (EM)-based algorithms typically requires continuity of the likelihood function with respect to all the unknown parameters (optimization variables) ...

Explore how project management information systems guide each project phase, the tools that support them, and real-world use across industries. Project management information systems extend far beyond ...

What if you could transform hours of tedious spreadsheet work into just minutes of streamlined efficiency? Simon Sez IT takes a closer look at how Excel’s most powerful functions can transform the way ...

The FIND function allows you to find a text string within another. It returns the position at which a character or string begins within another text string. The output of the above function will be 5, ...

The current implementation of the phylim app only accepts a model_result object. This does not work if the model result has come from a split_codon=True model. In the latter case, there is no single ...

Cryptographic hash functions secure data by providing a unique fixed-length output for each input. These functions are essential in blockchain for data integrity and secure transactions. Understanding ...

The Bayesian approach to statistical inference and other data analysis tasks gets its name from Bayes’s theorem (BT). BT specifies that a posterior probability for a hypothesis concerning a data ...