This visualization expects the query result to have rows in one of the following formats:
Option 1:
- sequence - sequence id
- stage - what stage in sequence this is (1, 2, ...)
- node - stage name
- value - number of times this sequence occurred
Option 2:
- stage1 - stage 1 value
- stage2 - stage 2 value (or null)
- stage3 - stage 3 value (or null)
- stage4 - stage 4 value (or null)
- stage5 - stage 5 value (or null)
- value - number of times this sequence occurred