Analytics & Calculations

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Analysis service should be able to use both the string and integer values of attributes with an enumeration set data type.

If an AF attribute is based off an enumeration set, currently an analysis will only evaluate accurately if that attribute is compared to the string portion of the enumeration set. An analysis should be able to use both strings and integers when ev...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 Completed

7 VOTE

Correlation Coefficient

It will be great if we have built-in function for correlation coefficient in Asset Analytics, similarly as it is in ProcessBook in xy plots. This would enable us to quickly get estimate on correlation of two variables.

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Completed

11 VOTE

Moving Average / Moving weighted average FUNCTION in AF Analysis

our customer wants to have a moving average / moving weighted average function available in AF analysis. So far they are using the prevevent and prevval functions. However with more samples the formula gets too long.

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 8 Completed

6 VOTE

Split Event Frame on secondary trigger

Currently if we define multiple start triggers, a child Event Frame is generated when a next star trigger fires. I would like to 'split' the Event in this case. Thus close the EF and start a new one. Example use case: I need separate tracking of ...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Completed

17 VOTE

NoOutput() function in Asset Analytics

I want to use the NoOutput() function in my analytic even when the output Attribute is not mapped to a PI Point

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 3 Completed

16 VOTE

EventCount() with value filter

Currently EventCount() returns the number of values that a particular attribute contains for given time range. However, there is no way to have an attribute value filter. Use case: I want to be able to easily count the number of time...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 Completed

6 VOTE

Preview Results should remember the start and end time

As part of debugging, sometimes I use Preview Results (which is available from right-clicking on an analysis), make some changes, and then use Preview Results again. It would be useful if PI System Explorer would remember the start and end times ...

Kenneth Barber over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 Completed

8 VOTE

AF Analysis Function to Check for PI Point Existence

As a wide-scale analytics user, I would like for there to be a function to check if a PI Point exists. I have an element template that I use to represent a large number of assets. Some of these assets do not have PI-point based attribu...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 Completed

10 VOTE

PI Analysis: Auto-backfill should not skip analyses - ones that hasn't had an new value in a while (72+hrs)

Whenever the PI Analysis Service is restarted, the auto-backfill feature (if enabled) kicks in, and backfills any gaps from the downtime. However, the analysis service will not auto-backfill analyses that haven't been updated in the last 72 hours...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 9 Completed

14 VOTE

Choose the timestamp output for an analysis based on a variable of calc

So far, we have the ability to choose an option among: "Trigger Time", "Execution Time" and "Relative to Trigger Time" for the output Timestamp. I'd like to have other option based on a variable type timestamp a the same analysis. I uploaded a d...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 0 Completed

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