the ratio of the number of observations in a statistical category to the total number of observations
(electronics) a graph of frequency response with signal amplitude or gain plotted against frequency
the number of occurrences within a given time period
the number of observations in a given statistical category
estimated by comparison; not absolute or complete
a person related by blood or marriage
an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)
properly related in size or degree or other measurable characteristics; usually followed by `to'