class |
Add |
An instance filter that adds a new attribute to the
dataset.
|
class |
AddExpression |
An instance filter that creates a new attribute by
applying a mathematical expression to existing attributes.
|
class |
AddValues |
Adds the labels from the given list to an attribute
if they are missing.
|
class |
ChangeDateFormat |
Changes the date format used by a date attribute.
|
class |
ClassAssigner |
Filter that can set and unset the class index.
|
class |
Copy |
An instance filter that copies a range of
attributes in the dataset.
|
class |
FirstOrder |
This instance filter takes a range of N numeric
attributes and replaces them with N-1 numeric attributes, the values of which
are the difference between consecutive attribute values from the original
instance.
|
class |
FixedDictionaryStringToWordVector |
Converts String attributes into a set of attributes
representing word occurrence (depending on the tokenizer) information from
the text contained in the strings.
|
class |
MakeIndicator |
A filter that creates a new dataset with a Boolean
attribute replacing a nominal attribute.
|
class |
MergeManyValues |
Merges many values of a nominal attribute into one
value.
|
class |
MergeTwoValues |
Merges two values of a nominal attribute into one
value.
|
class |
NominalToBinary |
Converts all nominal attributes into binary numeric
attributes.
|
class |
NumericCleaner |
A filter that 'cleanses' the numeric data from
values that are too small, too big or very close to a certain value,
and sets these values to a pre-defined default.
|
class |
NumericToBinary |
Converts all numeric attributes into binary
attributes (apart from the class attribute, if set): if the value of the
numeric attribute is exactly zero, the value of the new attribute will be
zero.
|
class |
NumericTransform |
Transforms numeric attributes using a given
transformation method.
|
class |
Obfuscate |
A simple instance filter that renames the relation,
all attribute names and all nominal attribute values.
|
class |
OrdinalToNumeric |
An attribute filter that converts ordinal nominal attributes into numeric ones
Valid options are:
|
class |
Remove |
An filter that removes a range of attributes from
the dataset.
|
class |
RemoveByName |
Removes attributes based on a regular expression
matched against their names.
|
class |
RemoveType |
Removes attributes of a given type.
|
class |
RenameAttribute |
This filter is used for renaming attributes.
Regular expressions can be used in the matching and replacing.
See Javadoc of java.util.regex.Pattern class for more information:
http://java.sun.com/javase/6/docs/api/java/util/regex/Pattern.html
|
class |
RenameNominalValues |
Renames the values of nominal attributes.
|
class |
Reorder |
A filter that generates output with a new order of
the attributes.
|
class |
ReplaceMissingWithUserConstant |
Replaces all missing values for nominal, string,
numeric and date attributes in the dataset with user-supplied constant
values.
|
class |
SortLabels |
A simple filter for sorting the labels of nominal
attributes.
|
class |
SwapValues |
Swaps two values of a nominal attribute.
|