This dataset was taken from the list of OpenIntro dataset files found at https://www.openintro.org/data/.
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Colors of the eye colors of male and female partners.
- self_male - a factor with levels `blue`, `brown`, and `green`
- partner_female - a factor with `blue`, `brown`, and `green`
B. Laeng et al. Why do blue-eyed men prefer women with the same eyecolor? In: Behavioral Ecology and Sociobiology 61.3 (2007), pp. 371-384.
Taken from: https://www.openintro.org/data/index.php?data=assortive_mating.