Returns a DataDictionary containing Fields of the given names, preserving the original order of fields.
Returns a DataDictionary containing Fields of the given names, preserving the original order of fields.
if a field cannot be found for any of the given names
Extracts the Field with the given name.
Extracts the Field with the given name.
if a field with the given name does not exist
Returns the field of a given name.
Returns the field of a given name.
if a field with the given name does not exist
Returns the index of a given field.
Returns the index of a given field.
if a field with the given name does not exist
Returns all field names in an array.
Returns all field names in an array.
Returns the field of a given name, None if a field with the given name does not exist
Returns the field of a given name, None if a field with the given name does not exist
(Changed in version 2.9.0) The behavior of scanRight
has changed. The previous behavior can be reproduced with scanRight.reverse.
(Changed in version 2.9.0) transpose
throws an IllegalArgumentException
if collections are not uniformly sized.
(Since version 2.10.0) use fold instead
Contains definitions for fields as used in mining models. It specifies the types and value ranges. These definitions are assumed to be independent of specific data sets as used for training or scoring a specific model.