(intransitive) To move backwards to an earlier stage; to devolve. / (intransitive, astronomy) To move from east to west. / (transitive, statistics) To perform a regression on an explanatory variable.

An action of regressing, a return to a previous state. / An action of travelling mentally back in time.

plural of regression

plural of regressivity

plural of regresser

One who regresses.

Alternative form of regressible

Able to regress or be regressed.

(data mining) A data-analysis method that recursively partitions data into sets each of which are simply modeled using regression methods. / A classification and regression tree.

(statistics) The phenomenon by which extreme examples from any set of data are likely to be followed by examples which are less extreme; a tendency towards the average of any sample. For example, the offspring of two very tall individuals tend to be tall, but closer to the average (mean) than either of their parents.