Analytics & Calculations

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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 2 years ago in AVEVA™ PI Server / Analytics & Calculations 19 No status

61 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 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

60 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

21 VOTE

Define default scheduling for newly created PI Analyses

When creating new analyses with Asset Analytics, our users sometimes forget to modify the scheduling from natural to periodic, which might lead to high trigger ratios and degraded performance. AF should allow administrators to define the default a...

Rafael Batista about 1 year ago in AVEVA™ PI Server / Analytics & Calculations 1 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

46 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 11 No status

46 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

9 VOTE

Limit Analytics to Only Write to Specific Pointsource

A useful setting for PI Analytics would be the ability to specify a specific pointsource that the Analytic service writes to. This would help tremendously to troubleshoot what tags on the PI DA server are being written to by AF Analytics.

Brian Rock 7 months ago in AVEVA™ PI Server / Analytics & Calculations 0 No status

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