Package org.tribuo.data

Class DatasetExplorer

java.lang.Object
org.tribuo.data.DatasetExplorer
All Implemented Interfaces:
com.oracle.labs.mlrg.olcut.command.CommandGroup
public final class DatasetExplorer extends Object implements com.oracle.labs.mlrg.olcut.command.CommandGroup
A CLI for exploring a serialised Dataset.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    DatasetExplorer.DatasetExplorerOptions
    Command line options.

  • Constructor Summary

    Constructors
    Constructor
    Description
    DatasetExplorer()
    Constructs a dataset explorer.

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    featureInfo(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, String featureName)
    Shows information on a particular feature.
    org.jline.reader.Completer[]
    fileCompleter()
    The filename completer.
    String
    getDescription()
     
    String
    getName()
     
    String
    loadDataset(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, File path)
    Loads a serialized dataset.
    static void
    main(String[] args)
    Runs a dataset explorer.
    String
    minCount(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, int minCount)
    Shows the number of features which occurred more than minCount times in the dataset.
    String
    numExamples(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
    Shows the number of examples in this dataset.
    String
    numFeatures(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
    Shows the number of features in this dataset.
    String
    outputInfo(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
    Shows the output information.
    String
    saveCSV(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, String path)
    Saves out the dataset as a CSV file.
    String
    showOutputStats(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
    Shows the output statistics.
    String
    showProvenance(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
    Shows the dataset provenance.
    void
    startShell()
    Start the command shell

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • DatasetExplorer

      public DatasetExplorer()
      Constructs a dataset explorer.

  • Method Details

    • getName

      public String getName()
      Specified by:
      getName in interface com.oracle.labs.mlrg.olcut.command.CommandGroup

    • getDescription

      public String getDescription()
      Specified by:
      getDescription in interface com.oracle.labs.mlrg.olcut.command.CommandGroup

    • fileCompleter

      public org.jline.reader.Completer[] fileCompleter()
      The filename completer.
      Returns:
      The completer array.

    • startShell

      public void startShell()
      Start the command shell

    • loadDataset

      @Command(usage="<filename> - Load a dataset from disk.", completers="fileCompleter") public String loadDataset(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, File path)
      Loads a serialized dataset.
      Parameters:
      ci - The command interpreter.
      path - The path to load.
      Returns:
      A status string.

    • featureInfo

      @Command(usage="Shows the information on a particular feature") public String featureInfo(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, String featureName)
      Shows information on a particular feature.
      Parameters:
      ci - The command interpreter.
      featureName - The feature name.
      Returns:
      The feature information.

    • outputInfo

      @Command(usage="Shows the output information.") public String outputInfo(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
      Shows the output information.
      Parameters:
      ci - The command interpreter.
      Returns:
      The output information.

    • numExamples

      @Command(usage="Shows the number of rows in the dataset") public String numExamples(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
      Shows the number of examples in this dataset.
      Parameters:
      ci - The command interpreter.
      Returns:
      The number of examples.

    • numFeatures

      @Command(usage="Shows the number of features in the dataset") public String numFeatures(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
      Shows the number of features in this dataset.
      Parameters:
      ci - The command interpreter.
      Returns:
      The number of features.

    • minCount

      @Command(usage="<min count> - Shows the number of features that occurred more than min count times.") public String minCount(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, int minCount)
      Shows the number of features which occurred more than minCount times in the dataset.
      Parameters:
      ci - The command interpreter.
      minCount - The minimum occurrence count.
      Returns:
      The number of features which occurred more than minCount times.

    • showOutputStats

      @Command(usage="Shows the output statistics") public String showOutputStats(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
      Shows the output statistics.
      Parameters:
      ci - The command interpreter.
      Returns:
      The output statistics string.

    • saveCSV

      @Command(usage="Saves out the data as a CSV.") public String saveCSV(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci, String path)
      Saves out the dataset as a CSV file.
      Parameters:
      ci - The command interpreter.
      path - The path to save to.
      Returns:
      A status message.

    • showProvenance

      @Command(usage="Shows the dataset provenance") public String showProvenance(com.oracle.labs.mlrg.olcut.command.CommandInterpreter ci)
      Shows the dataset provenance.
      Parameters:
      ci - The command interpreter.
      Returns:
      The dataset provenance string.

    • main

      public static void main(String[] args)
      Runs a dataset explorer.
      Parameters:
      args - CLI arguments.