Class CsvDataLoader

java.lang.Object

com.knezevic.edaf.v3.problems.grammar.CsvDataLoader

public final class CsvDataLoader
extends Object

Lightweight CSV loader for symbolic regression and classification datasets.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	CsvDataLoader.ClassificationData	Classification dataset rows and feature order.
static final record	CsvDataLoader.RegressionData	Regression dataset rows and feature order.

Method Summary

Modifier and Type	Method	Description
static CsvDataLoader.ClassificationData	loadClassification(String path, String targetColumn)	Loads generic classification dataset and infers class order from first appearance.
static CsvDataLoader.ClassificationData	loadClassification(String path, String targetColumn, String positiveLabel)	Loads binary classification dataset using positive-vs-rest mapping.
static CsvDataLoader.ClassificationData	loadClassification(String path, String targetColumn, List<String> classValues)	Loads generic classification dataset.
static CsvDataLoader.RegressionData	loadRegression(String path, String targetColumn)	Loads regression dataset with numeric target column.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

loadRegression

public static CsvDataLoader.RegressionData loadRegression(String path,
 String targetColumn)

Loads regression dataset with numeric target column.

loadClassification

public static CsvDataLoader.ClassificationData loadClassification(String path,
 String targetColumn)

Loads generic classification dataset and infers class order from first appearance.

loadClassification

public static CsvDataLoader.ClassificationData loadClassification(String path,
 String targetColumn,
 List<String> classValues)

Loads generic classification dataset. If classValues is provided, labels are validated against the provided class set.

loadClassification

public static CsvDataLoader.ClassificationData loadClassification(String path,
 String targetColumn,
 String positiveLabel)

Loads binary classification dataset using positive-vs-rest mapping.