David Wright

Start with inner join on a single column.

Clearly useful, but not clear how to organize. Example scenario: given y and random times t, produce interpolated y's at regular t's. Example scenario: replace null values with interpolated values.

Add complex matrices and vectors.

https://en.wikipedia.org/wiki/Mixture_model#Gaussian_mixture_model

Add a root-finding method to the polynomial class.

Introduce a polynomial class hierarchy that allows us to get orthogonal polynomials as classes that inherit from Polynomial. This should enable reading coefficients, as well as using properties of the...