Analytics & Calculations

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Percentile function

As a user of analyses, I would like to have a Percentile function so that I can filter out atypical events when doing summary calls. The function would look like this: Percentile('attribute', 'timerange', value). This is related to enhancement req...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 4 No status

52 VOTE

Allow writing arrays as a time series to an output

I would like to be able to configure outputs in an analysis to write at multiple time points (which are defined by the result of an array function). My use case is to: 1. Configure an attribute as a Time Series Table Lookup 2. Create an analysi...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Tell us more

52 VOTE

Enlarge area for editing analysis expressions

When editing an Analysis Expression, only 4.5 lines appear. It would helpful if more lines appeared (greater than 20 lines).

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 No status

50 VOTE

Selectable Write Mode for Analyses

As an analysis user I would like to define what should happen if multiple triggers occur with the same timestamp. Currently AF analysis are using "Replace" mode when writing to the archive (meaning if multiple triggers have the same timestamp, the...

phsutter over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 No status

48 VOTE

PI AF - Child Event Frames using different template to parent

We currently have Event Frames generating for machine faults, with child event frames then tracking things such as maintenance team response time etc. Leveraging this data in excel reports is proving difficult however due to the Child Event Frame...

alan.mccarthy over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 3 Declined

45 VOTE

Which tags are being used by a PI Analysis

As a PI Administrator, I want to know which tags are being used at which PI Analysis so I can know exactly if there is already another Analysis writing to a tag and avoid duplicated or wrong data.

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 10 No status

44 VOTE

Support setting data quality related flags from analysis

As a user of Asset Analytics I would like to manipulate data quality related flags (such as quastionable, substituted, etc) from my analysis so that I can set the flag when there is a problem with input value statuses.

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 No status

1 VOTE

Quadratic Regression

Add a quadratic regression function similar to "LinRegr". This would be helpful for trending relationships that are not linear, such as flow vs. pressure.

Guest 21 days ago in AVEVA™ PI Server / Analytics & Calculations 0 No status

1 VOTE

Analysis timerule option: Add a possibility to make the timerule conservative. Emit calculation events only if the snapshot time of all inputs are more recent than the planned calculation time.

Now the TimeRules Natural and Periodic emit events to the Data PIPE in case NATURAL: an event is received by one of the selected inputs case PERIOD: when a certain timespan elapse.Both method doesn't take into account that some input of the analys...

Marco Blokdijk 23 days ago in AVEVA™ PI Server / Analytics & Calculations 0 No status

38 VOTE

Allow output expressions when using implicit Event Frame generation modes

In AF/Analytics 2018, implicit modes of Event Frame generation were introduced (Pulse, Step, and Step Continuous), but they do not allow for an output expression like the explicit trigger. Adding this functionality would allow for EF attribute val...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 No status

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