testijoukko
Testijoukko is a Finnish term that translates to “test group” or “test set.” It denotes a subset of units—such as people, items, or data points—selected for testing a hypothesis, evaluating a product or method, or validating a model. The concept is used across disciplines including statistics, data science, software testing, and market research. In practice, a testijoukko is usually defined in relation to one or more other subsets, such as akontrollijoukko (control group) in experiments or a training/validation/test split in machine learning.
In statistical experiments, the testijoukko is the group that experiences the treatment or condition being studied,
In data science and machine learning, a testijoukko refers to the test set used to assess a
In software testing, a testijoukko can be composed of test users or test scenarios used to verify