I am trying to make a histogram with unique counts for a given field (lets call this field Source). However, it seems Kibana only treats Source as unique within each bucket of the histogram, but not between buckets. How can I make the histogram pick a unique record (preferably, one with a maximum value of the field I am making the histogram for) for each Source?
Lets say my data looks like the following:
Source ActivityCount A 10 A 30 B 50 B 20 C 50
I want to create a histogram that would describe the following subset of the data:
Source ActivityCount A 30 B 50 C 50
It seems like this should be trivial to do, am I missing something very basic here?