Enum DataError 

pub enum DataError {
    FeatureMatrixError(FeatureMatrixError),
    InvalidShape {
        expected: String,
        got: String,
    },
    CsvError(Error),
    IoError(Error),
    SerializationError(Error),
    InvalidTargets(String),
    PreprocessingError(String),
    ValidationError(String),
}

Unified error type for all data-related operations.

This enum aggregates errors from all data submodules, providing a single error type for data loading, preprocessing, validation, and access operations.

Error Variants

• FeatureMatrixError: Invalid feature matrix operations (index out of bounds, etc.)
• InvalidShape: Data dimensions don’t match expectations
• CsvError: CSV parsing failure
• IoError: File system or I/O operation failure
• SerializationError: JSON serialization/deserialization failure
• InvalidTargets: Target values are invalid for the task
• `PreprocessingError**: Data transformation or scaling failed
• ValidationError: Data validation checks failed

Variants

FeatureMatrixError(FeatureMatrixError)

Feature matrix operation error (index out of bounds, invalid access).

InvalidShape

Data dimensions don’t match expected shape.

Fields

expected: String

Expected shape or dimensions.

got: String

Actual shape or dimensions found.

CsvError(Error)

CSV parsing failed.

IoError(Error)

File system or I/O operation failed.

SerializationError(Error)

JSON serialization or deserialization failed.

InvalidTargets(String)

Target values are invalid for the task (e.g., wrong cardinality, non-finite).

PreprocessingError(String)

Data preprocessing or transformation failed.

ValidationError(String)

Data validation checks failed (finite values, ranges, etc.).

Trait Implementations

impl Debug for DataError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for DataError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for DataError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<DataError> for DataLoaderError

fn from(source: DataError) -> Self

Converts to this type from the input type.

impl From<DataError> for GBRTError

fn from(source: DataError) -> Self

Converts to this type from the input type.

impl From<DataError> for SplitterError

fn from(source: DataError) -> Self

Converts to this type from the input type.

impl From<DataError> for TreeError

fn from(source: DataError) -> Self

Converts to this type from the input type.

impl From<Error> for DataError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for DataError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<Error> for DataError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<FeatureMatrixError> for DataError

fn from(source: FeatureMatrixError) -> Self

Converts to this type from the input type.