Luckily, ProcessNow took care of the issue and filled in a value for the bad data. But how did ESC|StackVision know what value to substitute in?

Percent Monitor Availability

StackVision will use the PMA, or Percent Monitor Availability, to choose how data should be substituted. So the less you need to substitute data, the better your substituted values will be!

Also, the substitution routine will change depending on the kind of emission being substituted. The calculation can vary between using the average of the hour before the missing data and the hour after the missing data, or it can use a certain amount of the available data to substitute.

Check out the MDSUB cheat sheet to see a breakdown of the calculations.

Contact our sales team today to have an engineer help configure your system.
512-250-7902  •
Contact our support team today for further information on how your system decides its MDSUB routine.
 512-250-7901  •

Clint Anderson, Systems Implementation Engineer, ESC    Published: 6/29/2016 2:53:35 PM

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