Forgot to blog this one earlier. It's a video walkthrough of the usual sorts, based on my paper in Mankind Quarterly back from March: Kirkegaard, E. O. W. (2021). Are there Complex Assortative Mating Patterns for Humans? Analysis of 340 Spanish Couples. Mankind Quarterly, 61(3). https://doi.org/10.46469/mq.2021.61.3.12