InfoPath Dev

 That worked! Thanks for your help!

Thanks for the reply Hilary. I tried building a new formula from your example, but didn't have much luck. Here is the full XPath from one of my previous attempts:  count(../my:group1/my:group2/my:dataMSM = "yes" and ../my:group1/my:group2/my:dataTested = "yes")  This throws the error: "Argument 1 must ...

I have a form that uses a repeating group, and a totals section to tally selections in the repeating group rows. For example, the repeating group has two check boxes, dataMSM and dataTested. Above the repeating group, there are three fields totalMSM, totalMSMTested and totalTested. The totalMSM and totalTested fields are set to increment like ...