classification table

a table showing the number or percentage of cases correctly categorized by a given model, rule, or algorithm derived for that purpose. Columns represent the model predictions and rows represent the actual classes to which the items in a sample data set belong. For example, a researcher might use a classification table to display the results of a discriminant analysis of college attendance for a group of high school students so as to evaluate the general accuracy of the model used. Also called classification matrix; confusion matrix.

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Psychology term of the day

March 17th 2025

Zeno’s paradoxes

several arguments proposed by Greek philosopher Zeno of Elea (early 5th century bce) against the ideas of plurality and motion. Individuals making a trip must first go halfway to their destination, then cover half of the remaining distance, then half again, in an indefinite sequence of such steps that appears impossible to complete. Alternatively, if Achilles gives a tortoise a head start in a race and attempts to catch up, he must first run to where the tortoise was, then to where it has moved to, and so on for an infinite sequence of such moves, seemingly never catching up with the tortoise.