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Showing content from http://spark.apache.org/docs/latest/api/java/org/apache/spark/ml/feature/VectorSizeHint.html below:

VectorSizeHint (Spark 4.0.0 JavaDoc)

All Implemented Interfaces:

Serializable, org.apache.spark.internal.Logging, Params, HasHandleInvalid, HasInputCol, DefaultParamsWritable, Identifiable, MLWritable

Note: VectorSizeHint modifies inputCol to include size metadata and does not have an outputCol.

See Also:

• Serialized Form

• Nested Class Summary
  Nested classes/interfaces inherited from interface org.apache.spark.internal.Loggingorg.apache.spark.internal.Logging.LogStringContext, org.apache.spark.internal.Logging.SparkShellLoggingFilter

• Constructor Summary

  Constructors

• Method Summary

  Creates a copy of this instance with the same UID and some extra params.

  int

  Param for how to handle invalid entries.

  Param for input column name.

  The size of Vectors in inputCol.

  Transforms the input dataset.

  Check transform validity and derive the output schema from the input schema.

  An immutable unique ID for the object and its derivatives.

  Methods inherited from interface org.apache.spark.internal.LogginginitializeForcefully, initializeLogIfNecessary, initializeLogIfNecessary, initializeLogIfNecessary$default$2, isTraceEnabled, log, logDebug, logDebug, logDebug, logDebug, logError, logError, logError, logError, logInfo, logInfo, logInfo, logInfo, logName, LogStringContext, logTrace, logTrace, logTrace, logTrace, logWarning, logWarning, logWarning, logWarning, org$apache$spark$internal$Logging$$log_, org$apache$spark$internal$Logging$$log__$eq, withLogContext
  Methods inherited from interface org.apache.spark.ml.util.MLWritablesave Methods inherited from interface org.apache.spark.ml.param.Paramsclear, copyValues, defaultCopy, defaultParamMap, explainParam, explainParams, extractParamMap, extractParamMap, get, getDefault, getOrDefault, getParam, hasDefault, hasParam, isDefined, isSet, onParamChange, paramMap, params, set, set, set, setDefault, setDefault, shouldOwn

• Constructor Details
  • VectorSizeHint public VectorSizeHint(String uid)
  • VectorSizeHint

    public VectorSizeHint()

• Method Details
  • load
  • read
  • inputCol

    Param for input column name.

    Specified by:

    inputCol in interface HasInputCol

    Returns:

    (undocumented)

  • uid

    An immutable unique ID for the object and its derivatives.

    Specified by:

    uid in interface Identifiable

    Returns:

    (undocumented)

  • size

    The size of Vectors in inputCol.

    Returns:

    (undocumented)

  • getSize

    public int getSize()

    group getParam

  • setSize
  • setInputCol
  • handleInvalid

    Param for how to handle invalid entries. Invalid vectors include nulls and vectors with the wrong size. The options are

    skip

    (filter out rows with invalid vectors),

    error

    (throw an error) and

    optimistic

    (do not check the vector size, and keep all rows).

    error

    by default.

    Note: Users should take care when setting this param to optimistic. The use of the optimistic option will prevent the transformer from validating the sizes of vectors in inputCol. A mismatch between the metadata of a column and its contents could result in unexpected behaviour or errors when using that column.

    Specified by:

    handleInvalid in interface HasHandleInvalid

    Returns:

    (undocumented)

  • setHandleInvalid
  • transform

    Transforms the input dataset.

    Specified by:

    transform in class Transformer

    Parameters:

    dataset - (undocumented)

    Returns:

    (undocumented)

  • transformSchema

    Check transform validity and derive the output schema from the input schema.

    We check validity for interactions between parameters during transformSchema and raise an exception if any parameter value is invalid. Parameter value checks which do not depend on other parameters are handled by Param.validate().

    Typical implementation should first conduct verification on schema change and parameter validity, including complex parameter interaction checks.

    Specified by:

    transformSchema in class PipelineStage

    Parameters:

    schema - (undocumented)

    Returns:

    (undocumented)

  • copy Description copied from interface: Params

    Creates a copy of this instance with the same UID and some extra params. Subclasses should implement this method and set the return type properly. See defaultCopy().

    Specified by:

    copy in interface Params

    Specified by:

    copy in class Transformer

    Parameters:

    extra - (undocumented)

    Returns:

    (undocumented)

  • toString

    Specified by:

    toString in interface Identifiable

    Overrides:

    toString in class Object

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