FeatureTransformer

scirs2_core::ml_pipeline

Struct FeatureTransformer 

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pub struct FeatureTransformer { /* private fields */ }
Expand description

Feature transformer for data preprocessing

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impl FeatureTransformer

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pub fn new( name: String, transform_type: TransformType, input_features: Vec<String>, output_features: Vec<String>, ) -> Self

Create a new feature transformer

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pub fn set_parameter(&mut self, key: String, value: FeatureValue)

Set transformation parameters

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pub fn fit(&mut self, batch: &DataBatch) -> Result<(), MLPipelineError>

Fit transformer to data (for stateful transformations)

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pub fn transform(&self, batch: DataBatch) -> Result<DataBatch, MLPipelineError>

Apply transformation to data

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impl Clone for FeatureTransformer

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fn clone(&self) -> FeatureTransformer

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FeatureTransformer

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

Formats the value using the given formatter. Read more
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impl PipelineNode for FeatureTransformer

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fn name(&self) -> &str

Get node name
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fn input_schema(&self) -> &[FeatureSchema]

Get input schema
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fn output_schema(&self) -> &[FeatureSchema]

Get output schema
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fn process(&self, batch: DataBatch) -> Result<DataBatch, MLPipelineError>

Process a batch of data
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fn validate(&self) -> Result<(), MLPipelineError>

Validate configuration
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fn metrics(&self) -> HashMap<String, f64>

Get node metrics

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