Analytics & Calculations

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Variable True For parameter for Event Frame Analyses

As an AF Administrator, I want to configure an Analysis Template for Event Frames with a True For parameter that would have it's value stored in an AF Attribute (configuration item). The use case is that elements built from the template will have ...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 No Status

60 VOTE

Add Six Sigma calculations

As a quality engineer, I need the ability to calculate Six Sigma SQC statitistics for key quality attirbutes. Cp, Cpu, Cpl, Pp, Ppk

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 1 No Status

59 VOTE

PI Analysis Performance Checker

Currently PI Analysis Service has a built-in Statistics tool in PI System Explorer. It is able to show statistics regarding Evaluation and Calculation Lag as well as Skipped Evaluations and some other important information. PI System Explorer ...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 1 No Status

57 VOTE

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 1 year ago in AVEVA™ PI Server / Analytics & Calculations 4 No Status

57 VOTE

More functions to support operations on arrays

The arrays in Expression and Event Frame Generation analyses are useful, but use cases are emerging where more functions are needed to reduce/calculate the arrays in more streamlined fashion. For example, Concat function should support array of ch...

Guest over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 17 No Status

51 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 1 year ago in AVEVA™ PI Server / Analytics & Calculations 5 No Status

49 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, th...

phsutter over 1 year ago in AVEVA™ PI Server / Analytics & Calculations 6 No Status

2 VOTE

Fix for KI: EventFrame Extended property not removed after EF is closed

The first EFs created by the PI Analysis Service after a restart can have the Extended Property StatusInAnalysisService stuck in Reconciling even after the event frame has been closed. There is a workaround to fix the issue when it occurs (see Eve...

Guest 29 days ago in AVEVA™ PI Server / Analytics & Calculations 1 No Status

44 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 1 year ago in AVEVA™ PI Server / Analytics & Calculations 9 No Status

43 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 1 year ago in AVEVA™ PI Server / Analytics & Calculations 2 No Status

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