This workflow uses Cross Joiner node to combine 3 table with different tags (IDs) and then calculate mean for all combinations using Column Aggregator.
This is a companion discussion topic for the original entry at https://kni.me/w/9A8UNFyRF5U4762R
This is a companion discussion topic for the original entry at https://kni.me/w/9A8UNFyRF5U4762R