Package elki.datasource.filter.cleaning

Class DropNaNFilter

  • All Implemented Interfaces:
    elki.datasource.bundle.BundleStreamSource, elki.datasource.filter.ObjectFilter, elki.datasource.filter.StreamFilter
    public class DropNaNFilter
extends AbstractStreamFilter
    A filter to drop all records that contain NaN values. Note: currently, only dense vector columns are supported. TODO: add support for sparse vectors.
    Since:
    0.6.0
    Author:
    Erich Schubert

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  DropNaNFilter.Par
      Parameterization class.

      • Nested classes/interfaces inherited from interface elki.datasource.bundle.BundleStreamSource

        elki.datasource.bundle.BundleStreamSource.Event

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private long[] densecols
      Columns to check.
      private static elki.logging.Logging LOG
      Class logger

    • Constructor Summary

      Constructors 
      Constructor Description
      DropNaNFilter()
      Constructor.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object data​(int rnum)  
      elki.datasource.bundle.MultipleObjectsBundle filter​(elki.datasource.bundle.MultipleObjectsBundle objects)  
      elki.datasource.bundle.BundleMeta getMeta()  
      elki.datasource.bundle.BundleStreamSource.Event nextEvent()  
      private void updateMeta​(elki.datasource.bundle.BundleMeta meta)
      Process an updated meta record.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • LOG

        private static final elki.logging.Logging LOG
        Class logger

      • densecols

        private long[] densecols
        Columns to check.

    • Constructor Detail

      • DropNaNFilter

        public DropNaNFilter()
        Constructor.

    • Method Detail

      • getMeta

        public elki.datasource.bundle.BundleMeta getMeta()

      • data

        public java.lang.Object data​(int rnum)

      • nextEvent

        public elki.datasource.bundle.BundleStreamSource.Event nextEvent()

      • updateMeta

        private void updateMeta​(elki.datasource.bundle.BundleMeta meta)
        Process an updated meta record.
        Parameters:
        meta - Meta record

      • filter

        public elki.datasource.bundle.MultipleObjectsBundle filter​(elki.datasource.bundle.MultipleObjectsBundle objects)
        Specified by:
        filter in interface elki.datasource.filter.ObjectFilter
        Overrides:
        filter in class AbstractStreamFilter