read

object read

Data loading utilities.

Functions

fun arff(file: Path): DataFrame

fun arff(file: String): DataFrame

Reads an ARFF file.

fun arrow(file: Path): DataFrame

fun arrow(file: String): DataFrame

Reads an Apache Arrow file.

fun avro(file: Path, schema: InputStream): DataFrame

fun avro(file: Path, schema: Path): DataFrame

fun avro(file: String, schema: InputStream): DataFrame

fun avro(file: String, schema: String): DataFrame

Reads an Apache Avro file.

fun csv(file: Path, format: CSVFormat, schema: StructType? = null): DataFrame

fun csv(file: String, format: CSVFormat, schema: StructType? = null): DataFrame

fun csv(file: Path, delimiter: Char = ',', header: Boolean = true, quote: Char = '"', escape: Char = '\\', schema: StructType? = null): DataFrame

fun csv(file: String, delimiter: Char = ',', header: Boolean = true, quote: Char = '"', escape: Char = '\\', schema: StructType? = null): DataFrame

Reads a CSV file.

fun jdbc(rs: ResultSet): DataFrame

Reads a JDBC query result to a data frame.

fun json(file: Path): DataFrame

fun json(file: String): DataFrame

fun json(file: Path, mode: JSON.Mode, schema: StructType): DataFrame

fun json(file: String, mode: JSON.Mode, schema: StructType): DataFrame

Reads a JSON file.

fun libsvm(file: Path): Dataset<Instance<SparseArray>>

fun libsvm(file: String): Dataset<Instance<SparseArray>>

Reads a LivSVM file.

fun parquet(file: Path): DataFrame

fun parquet(file: String): DataFrame

Reads an Apache Parquet file.

fun sas(file: Path): DataFrame

fun sas(file: String): DataFrame

Reads a SAS7BDAT file.