instance-based model
nounUK /ˈɪnstəns beɪst ˈmɒdl/
US /ˈɪnstəns beɪst ˈmɑːdl/
A computer program that learns by remembering examples and comparing new things to them.
The instance-based model recognized the new picture by comparing it to pictures it had seen before.
OTHER MEANINGS
2. A way of teaching computers that keeps all the old examples and uses them when a new question comes.
Instead of making rules, the instance-based model just stores every example it gets.
3. A learning method that waits until it is asked something before it does any work.
The instance-based model does nothing during training and only compares examples when asked to predict.
4. A system that decides by finding the most similar past case.
The doctor's helper tool is an instance-based model that looks for patients with similar symptoms.