I currently have a Rollup analysis that sums an attribute of an element's children and stores that value in a PI point. I would like to modify this analysis so that the attribute value of the child element is only summed when a certain condition is true.
Current rollup is for a site, and it sums the sqft (metadata attribute value) of each building that is a child of the site and stores that in a site sqft attribute (PI Point). Now, I would like to only include the sqft of a building if it meets certain qualifications, such as metered or occupied.
How can I do this with asset analytics?