org.alitouka.spark.dbscan.util.io

IOHelper

object IOHelper

Contains functions for reading and writing data

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  17. def readDataset(sc: SparkContext, path: String): RawDataSet

    Reads a dataset from a CSV file.

    Reads a dataset from a CSV file. That file should contain double values separated by commas

    sc

    A SparkContext into which the data should be loaded

    path

    A path to the CSV file

    returns

    A org.alitouka.spark.dbscan.RawDataSet populated with points

  18. def saveClusteringResult(model: DbscanModel, outputPath: String): Unit

    Saves clustering result into a CSV file.

    Saves clustering result into a CSV file. The resulting file will contain the same data as the input file, with a cluster ID appended to each record. The order of records is not guaranteed to be the same as in the input file

    model

    A org.alitouka.spark.dbscan.DbscanModel obtained from Dbscan.train method

    outputPath

    Path to a folder where results should be saved. The folder will contain multiple partXXXX files

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