| Package | Description |
|---|---|
| weka.filters.unsupervised.attribute |
| Modifier and Type | Class and Description |
|---|---|
class |
Center
Centers all numeric attributes in the given dataset to have zero mean (apart from the class attribute, if set).
|
class |
Discretize
An instance filter that discretizes a range of
numeric attributes in the dataset into nominal attributes.
|
class |
MathExpression
Modify numeric attributes according to a given
mathematical expression.
|
class |
MergeManyValues
Merges many values of a nominal attribute into one
value.
|
class |
Normalize
Normalizes all numeric values in the given dataset
(apart from the class attribute, if set).
|
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 |
OrdinalToNumeric
An attribute filter that converts ordinal nominal attributes into numeric ones
Valid options are: |
class |
PKIDiscretize
Discretizes numeric attributes using equal
frequency binning and forces the number of bins to be equal to the square root of
the number of values of the numeric attribute.
For more information, see: Ying Yang, Geoffrey I. |
class |
ReplaceMissingValues
Replaces all missing values for nominal and numeric
attributes in a dataset with the modes and means from the training data.
|
class |
ReplaceMissingWithUserConstant
Replaces all missing values for nominal, string,
numeric and date attributes in the dataset with user-supplied constant
values.
|
class |
Standardize
Standardizes all numeric attributes in the given dataset to have zero mean and unit variance (apart from the class attribute, if set).
|
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