(statistics) The number of data points satisfying something divided by the total number of data points.

An ancestor or descendant.

(mathematics) The absolute value of the ratio of the absolute error to the actual value.

A relative of one's generation, separated by one degree of marriage. / (uncommon) Co-relative-in-law: A relative of one's generation, separated by two degrees of marriage.

(music, uncountable) The ability to identify or create a given note by comparing it with a reference note and discerning the interval between those two notes.

plural of relative error

plural of relative tense

(grammar) A grammatical expression of time reference relative to a different point in time, at the moment being considered in the context

A response to an anterior quantitative value or an anterior comment of it, used to say that something can be thought of in opposite ways depending on what one compares it to.

plural of relative pitch