TimeSeries

Supertype: Representation

Definition: Representation for an Observation composed of a series of sampled data.

Version Info

Introduced	Deprecated	Updated
1.2

Documentation

Description

TimeSeries for an Observation is defined by the associated DataItem::representation as TIME_SERIES.

DataItem::representation as TIME_SERIES MUST have DataItem::category of SAMPLE.

Figure TemperatureTimeSeries shows the model for Temperature (Sample type) with a Representation type of TimeSeries.

Note: See Section Representation Schema Diagrams for XML schema.

TimeSeries MUST report multiple values at fixed intervals in a single Observation. At minimum, one of DataItem::sampleRate or Sample::sampleRate MUST be specified. When both are specified, the Sample::sampleRate supersedes the DataItem::sampleRate.

Observation::timestamp MUST be set to the time the last value was observed. The Sample::duration MAY indicate the time interval from the first to the last value in the series.

Section Value Properties of TimeSeries defines additional attributes for an Observation with TimeSeries Representation type.

Properties

Name	Type	Int	Dep	Multiplicity	Description
sampleCount	integer	1.2		1	number of values given for the Observation.
result	float	1.2		1..*