Analytics & Calculations

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

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

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

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

36 VOTE

PI Analysis Service should pick up change in Cache Refresh Interval of AF Tables

It would be nice if the PI Analysis Service could pick up a change in the Cache Refresh Interval of any AF Table being referenced by input attributes with a table lookup data reference. Currently, a service restart is required.

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

34 VOTE

Add IsDST() function to AF Analytics

Use Case: calculating which Shift is working within a rotating-shift cycle, which must the follow Daylight Savings Time offset. This function is available in the Performance Equation library, but not in AF. The function itself is simple once one ...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

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