# Metric vs. Metrics: What's the Difference?

## Metric and Metrics Definitions

#### Metric

Of or relating to the metric system of measurement.

#### Metrics

The use or study of metrical structures in verse; prosody.

#### Metric

(music) Of or relating to the meter of a piece of music.

Plural of metric

#### Metric

Of or relating to distance.

#### Metrics

The study of metrical verse.

#### Metric

A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).
What metric should be used for performance evaluation?
It's the most important single metric that quantifies the predictive performance.
How to measure marketing? Use these key metrics for measuring marketing effectiveness.
There is a lack of standard metrics.

#### Metrics

The statistical analysis of data sets or big data.

#### Metric

(mathematics) A function for the measurement of the "distance" between two points in some metric space: it is a real-valued function d(x,y) between points x and y satisfying the following properties: (1) "non-negativity": $d\left(x,y\right) \ge 0$, (2) "identity of indiscernibles": $d\left(x,y\right) = 0 \mbox\left\{ iff \right\} x=y$, (3) "symmetry": $d\left(x,y\right) = d\left(y,x\right)$, and (4) "triangle inequality": $d\left(x,y\right) \le d\left(x,z\right) + d\left(z,y\right)$.

#### Metrics

The theory of measurement.

#### Metric

(mathematics) A metric tensor.

#### Metrics

The study of poetic meter and the art of versification

#### Metric

Abbreviation of metric system

#### Metric

To measure or analyse statistical data concerning the quality or effectiveness of a process.
We need to metric the status of software documentation.
We need to metric the verification of requirements.
We need to metric the system failures.
The project manager is metricking the closure of the action items.
Customer satisfaction was metricked by the marketing department.

#### Metric

Relating to measurement; involving, or proceeding by, measurement.

#### Metric

Of or pertaining to the meter as a standard of measurement; of or pertaining to the decimal system of measurement of which a meter is the unit; as, the metric system; a metric measurement.

#### Metric

A function of a topological space that gives, for any two points in the space, a value equal to the distance between them

#### Metric

A decimal unit of measurement of the metric system (based on meters and kilograms and seconds);
Convert all the measurements to metric units
It is easier to work in metric

#### Metric

A system of related measures that facilitates the quantification of some particular characteristic

#### Metric

Based on the meter as a standard of measurement;
The metric system
Metrical equivalents

#### Metric

The rhythmic arrangement of syllables