regression

The process or an instance of regressing, as to a less perfect or less developed state.

Reversion to an earlier or less mature pattern of feeling or behavior.

Subsidence of the symptoms or process of a disease.

A technique for predicting the value of a dependent variable as a function of one or more independent variables in the presence of random error.

Retrograde motion of a celestial body.

A relative fall in sea level resulting in deposition of terrestrial strata over marine strata.

In mathematics, a discrete series which has a last element but no first.

In statistics, the tendency of one variable phenomenon that is correlated with another to revert to the general type and not to equal the amount of deviation of the particular phenomenon with which it is correlated.

In breeding, the decline toward mediocrity of offspring from the mean of the two parents. Sometimes called filial regression.

The act of passing back or returning; retrogression.