Definition:Time Series/Actual Value

Definition

An actual value of a time series $T$ is the result of a measurement of an observation at some time $t$.

The term is usually made in reference to a forecast value made after its lead time has elapsed, and its timestamp is now the current time.

Also see

• Definition:Forecast Value of Time Series Observation

Sources

• 1994: George E.P. Box, Gwilym M. Jenkins and Gregory C. Reinsel: Time Series Analysis: Forecasting and Control (3rd ed.) ... (previous) ... (next):

$1$: Introduction:

$1.1$ Four Important Practical Problems:

$1.1.1$ Forecasting Time Series