"""Constants for data utility modules."""

# Column name constants
EXPANSION_COL = "expansion"
CLONE_ID_SIZE_COL = "clone_id_size"
MEDIAN_CLONE_SIZE_COL = "median_clone_size"
TISSUE_TYPE_COL = "tissue_type"
IMPUTED_LABELS_COL = "imputed_labels"

# Constants for numerical stability
DEFAULT_EPS = 1e-10  # Small constant to prevent division by zero
