They don’t say in the abstract what proportion of their sample had ASD. Without ...

cameldrv 72 days ago | parent | context | favorite | on: Gut microbiota markers for autism spectrum disorde...

They don’t say in the abstract what proportion of their sample had ASD. Without this information, the ROC AUC is meaningless. You will get very high AUC on an unbalanced sample even with a trivial predictor like “always say no.”