redwingii, we’d in fact recommend to create as many separate attributes as possible. The more granular the attributes, the easier it is to analyze and work with the data collections.
Regarding subtracting or adding scan groups, as you mentioned that’s not currently available, but when you have enough scans, our algorithm are able to disregard the spectra of the wax since it will not correlate with the attributes you are trying to estimate/classify.