How many calls are being used when I use the RapidMiner extension? Lauren Burke July 01, 2016 15:06 Follow In our RapidMiner extension (as well as upcoming Microsoft Excel plugin), one operator running on one Example (row of text) equates to one call. Please let us know if you're noticing any discrepancies. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.