Answer:
Corss-validation
Step-by-step explanation:
Corss-validation: In psychology, the term "cross-validation" is also referred to as "out-of-sample testing" or "rotation estimation" and is determined as one of the various same "model validation techniques" that is being utilized for assessing the process though which the result or the outcome of the "statistical analysis" is being generalized towards an "independent data set".
In the question above, the given statement represents cross-validation process.