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Class - DateTimeValue
D2LogicalModel.General.ReusableClasses.DataValue
A measured or calculated value of an instance in time.
Inheritance
This is a specialization of the DataValue class and it inherits all attributes and associations of that class.
List of attributes
| Name | Data Type | Order | Definition | ||
|---|---|---|---|---|---|
| dateTime | DateTime | 0 | A time stamp defining an instance in time. | ||
| accuracy | Percentage | 2 | The extent to which the value is expected to be free from error, measured as a percentage of the data value. 100% means fully accurate. | Inherited from DataValue | |
| computationalMethod | ComputationMethodEnum | 3 | Method of computation which has been used to compute this data value. | Inherited from DataValue | |
| dataError | Boolean | 0 | Indication of whether the value is deemed to be erroneous by the supplier, (true = erroneous). If not present the data value is assumed to be ok. This may be used when automatic fault detection information relating to sensors is available. | Inherited from DataValue | |
| numberOfIncompleteInputs | NonNegativeInteger | 4 | The number of inputs detected but not completed during the sampling or measurement period; e.g. vehicles detected entering but not exiting the detection zone. | Inherited from DataValue | |
| numberOfInputValuesUsed | NonNegativeInteger | 5 | The number of input values used in the sampling or measurment period to determine the data value. | Inherited from DataValue | |
| reasonForDataError | MultilingualString | 1 | The reason why the value is deemed to be erroneous by the supplier. | Inherited from DataValue | |
| smoothingFactor | Float | 6 | Coefficient required when a moving average is computed to give specific weights to the former average and the new data. A typical formula is, F being the smoothing factor: New average = (old average) F + (new data) (1 - F). | Inherited from DataValue | |
| standardDeviation | Float | 7 | The standard deviation of the sample of input values from which this value was derived, measured in the units of the data value. | Inherited from DataValue | |
| supplierCalculatedDataQuality | Percentage | 8 | A measure of data quality assigned to the value by the supplier. 100% equates to ideal/perfect quality. The method of calculation is supplier specific and needs to be agreed between supplier and client. | Inherited from DataValue |
Associations
| Multiplicity | From | Role | Role description | Association | Multiplicity | To | Role | Role description | |
|---|---|---|---|---|---|---|---|---|---|
| 0..1 | DateTimeValue | arrivalTime | related to | 1 | IndividualVehicleDataValues | ||||
| 0..1 | DateTimeValue | exitTime | related to | 1 | IndividualVehicleDataValues |