DerivedField
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package transformations
An internal attribute could be changed.
An internal attribute could be changed.
Index of the field in the input series.
Index of the field in the input series.
A flag if the field is referenced in the model.
A flag if the field is referenced in the model.
Returns true if other is an acceptable input type for a function that expects this.
Returns true if other is an acceptable input type for a function that expects this.
Attribute type.
Attribute of the field.
Attribute of the field.
Returns the data type of field.
Returns the data type of field.
Display name of the field.
Display name of the field. None if it is not set.
Encodes the value of the field in the input series.
Encodes the value of the field in the input series.
Returns the result of evaluating this expression on a given input Series
Returns the result of evaluating this expression on a given input Series
Field type.
Field type.
Retrieve its value from the specified series, return null if missing
Retrieve its value from the specified series, return null if missing
Retrieve its value as double from the specified series, return Double.NaN if missing.
Retrieve its value as double from the specified series, return Double.NaN if missing.
Index of the field in the input series.
Index of the field in the input series.
Tests if the index of this field is defined
Tests if the index of this field is defined
Sets the index of this field.
Sets the index of this field.
Tests whether this field is binary, that is categorical and it contains exactly two valid values.
Tests whether this field is binary, that is categorical and it contains exactly two valid values.
Tests whether this field is categorical (nominal or ordinal).
Tests whether this field is categorical (nominal or ordinal).
Tests whether this field is continuous.
Tests whether this field is continuous.
Tests if the field is a data field.
Tests if the field is a data field.
Tests if the field is a derived field.
Tests if the field is a derived field.
Tests if its value is missing from the specified series.
Tests if its value is missing from the specified series.
Tests whether this field is nominal.
Tests whether this field is nominal.
Tests whether this field is ordinal.
Tests whether this field is ordinal.
Name of the field.
Name of the field.
Operational type.
Operational type.
Tests if the field is referenced in the model element.
Tests if the field is referenced in the model element.
Sets the referenced flag of the field.
Sets the referenced flag of the field.
Converts to an immutable attribute if it's mutable.
Converts to an immutable attribute if it's mutable.
Converts a string to the corresponding value based on its data type.
Converts a string to the corresponding value based on its data type.
java.lang.NumberFormatException - If the string does not contain a parsable number if dataType is numeric
Converts a string to the corresponding value based on its data type.
Converts a string to the corresponding value based on its data type.
None if any error occurs
Provides a common element for the various mappings. They can also appear at several places in the definition of specific models such as neural network or Naive Bayes models. Transformed fields have a name such that statistics and the model can refer to these fields.