Eu acho que entendi. Pode ser resolvido usando groupByNode .
-
#AgroupByNode(group(#B, #C), 0, 'asPercent') -
#BaliasSub(groupByNode(stats.counters.app.view.isbn.fetch.found.yes.*.rate, 8, "sumSeries"), "^(.*)$", ".yes") -
#CaliasSub(groupByNode(stats.counters.app.view.isbn.fetch.found.no.*.rate, 8, "sumSeries"), "^(.*)$", ".no")