Analytics & Calculations

We have cases where we have several values for the same tag at a specific timestamp. When we use tagVal in an analysis expression, the TagVal function returns the last stored value for the timestamp for the tag. We would like to be able to get (us...

There are many instances where I do not want to save mapped outputs of PI Analyses to PI tags, but would like to use certain functions that can only be used when this is done.

Please allow PI Analysis and PI Notifications to work in an HA setup or in a NLB such as the AF HA recommended scenario. At present the only similar configuration is a failover in a Windows Cluster which TS can't confirm its stability with a NLB p...

When an Expression or Event Frame Generation analysis evaluates for the first time, the function HasValueChanged returns True even if the value has not actually changed. More proper behavior would be to default to false. The same holds true when m...

Upon an analysis service restart, the service will backfill and recalculate for the time range specified by the MaximumAllowedAutoBackfillingSpanInHours service configuration parameter; the default is 72 hours. Starting in PI Analysis Service 2.8....

Found out that the decimal points is up to 3 decimal only. Can you improve the PI Integrator that has its own decimal places? and also not depending on the AF for adjusting the display digits? Thanks

When having calculationWaitTimeInSeconds set to a large value in combination with an AF-SDK app triggering recalculations, it can happen that recalculation writes a value at timestamp x before this analysis is triggered to run in real-time for tim...

Having the ability to store analysis variable configuration (calculation) in an attribute value would help a lot in creating assets from template that have diverging analysis configuration. For example, an attribute named attribute1 with a strin...

Analysis templates are useless if one need to adapt the analysis for some elements, for example in my case I need to change the "True for" clause in an Event Frame Generation Analysis, but I can't because it is created by a template.

Leaving the default to Any Inputs for expression analytics can cause some performance issue as a calculation could end up triggering multiple times per second if there are several inputs. Since this is the default, some users may not take the time...