Selects features appearing in sparse CoDaCoRe balances. The official `codacore` backend is used when available and functional; otherwise the existing OmicSelector sparse-balance fallback is reused. Feature scores are aggregated across balances using absolute slopes when available.
Arguments
- X
Numeric matrix with samples in rows and features in columns.
- y
Binary outcome vector.
- n_features
Optional target panel size.
- positive
Optional positive-class label for non-numeric outcomes.
- input_scale
Either `"log"` (default) or `"raw"`.
- backend
One of `"auto"`, `"official"`, or `"fallback"`.
- max_balances
Maximum number of balances to extract.
- top_k
Initial sparse balance size for the fallback backend.
- class_weight
Logical; passed to the fallback backend.
- verbose
Logical; print backend messages.
- seed
Integer random seed.