The PercentGood Aggregate defined in Table 44 performs the following calculation:
PercentGood = DurationGood / ProcessingInterval x 100
where:
DurationGood is the result from the DurationGood Aggregate, calculated using the ProcessingInterval supplied to PercentGood call.
ProcessingInterval is the duration of interval.
If the last interval is a partial interval then the duration of the partial interval is used in the calculation. Each Aggregate is returned with timestamp of the start of the interval. StatusCodes are Good, Calculated.
Table 44 – PercentGood Aggregate summary
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PercentGood Aggregate Characteristics |
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Type |
Calculated |
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Data Type |
Double (percent) |
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Use Bounds |
Simple (used in DurationGood calculation) |
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Timestamp |
StartTime |
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StatusCode Calculations |
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Calculation Method |
Custom Always Good |
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Partial |
Set Sometimes If an interval is not a complete interval |
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Calculated |
Set Always |
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Interpolated |
Not Set |
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Raw |
Not Set |
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Multi Value |
Not Set |
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|
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StatusCode Common Special Cases |
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Before Start of Data |
Bad_NoData |
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After End of Data |
Bad_NoData |
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No Start Bound |
No special handing required |
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No End Bound |
No special handing required |
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Bound Bad |
No special handing required |
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|
Bound Uncertain |
No special handing required |
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