Analytics & Calculations

Substitution variables are only supported in datareferences. I want to use these directly in Analytics expressions. Now i need to create a attribute to resolve the substitution variable (formula, stringbuilder, etc.), and use that in my analysis....

If an existing digital state is edited, PI Analysis Service does not recognize the change until it is restarted. A digital state should not be edited too often. However, it would be useful if there is a process to update cache, including each digi...

As PI server administrator I would like that when the Analysis service is restarted with autobackfilling enabled, if there are any EF analysis where last evaluation time is older than *-MaximumAllowedAutoBackfillingSpanInHours, EFs that are opened...

The PI data archive (and potentially other systems) can generate many automated error messages to assist with troubleshooting. One such key example is "[-10767] Client exceeded maximum concurrent queries in RPC thread pool", which occurs when a se...

The analysis tab in PSE can take quite some time to load if there are thousands of elements being referenced in the input attributes. This is rare for Expression, Event Frame and SQC analyses, but not as rare for Rollups. Ideally the tab should lo...

When you develop an expression it is very useful to use the preview function. Quite often you can discover and debug directly from this, but you are not abel to close down the window and check the code! So either you memorise or you export the cs...

We recommend customers use offsets to distribute scheduled calculations across time but there is not a good way manage this.Propose some utility to list a group of all scheduled analyses by same period, users supply X number of offsets and then th...

In Asset Analytics, there isn't a way to include a filtering function in a single analytic. For example, you may be calculating run hours on a motor, but there is no way to filter the calculation so that it is only done when the motor is running.

it would be useful if there were a way to easily identify which attributes represent inputs to an analytic versus those which represent outputs.

The PrevVal function currently requires two parameters: an attribute and a timestamp. However, I find that 90% of the time that I use this function I am looking for the previous value with respect to the current time ('*'). The error which analyti...