Meaning

2 senses
  1. (uncountable)The presence of both patrilineal and matrilineal descent groups in a society.

  2. (uncountable)The phenomenon where a model with few parameters and a model with many parameters have a small test error, but a model whose number of parameters is about the same as the number of data points used to train the model will have a large error.

See also

neighbours in the dictionary
double descent — meaning, examples, forms, synonyms | Krumeto