ground truth

Definitions

Information provided by direct observation and measurement as opposed to information provided by inference.

The reality or factual accuracy of a situation, often used as a benchmark for training or validating machine learning models.

Examples

The researchers compared the model's predictions against the ground truth to evaluate its accuracy.

In machine learning, having a reliable set of ground truth data is essential for training supervised models.

Synonyms

factual reality empirical evidence verified data absolute fact objective truth proven reality

Antonyms

speculation unverified assumption theoretical model conjecture false premise estimated value