| Package | Description |
|---|---|
| weka.knowledgeflow.steps |
| Modifier and Type | Class and Description |
|---|---|
class |
Appender
A bean that appends multiple incoming data connections into a single data
set.
|
class |
ASEvaluator
Step that wraps a Weka attribute or subset evaluator.
|
class |
ASSearchStrategy
Step that wraps a Weka attribute selection search strategy.
|
class |
Associator
Step that wraps a Weka associator.
|
class |
AttributeSummarizer
Step that collects data to display in a summary overview of attribute
distributions
|
class |
Block
A step that waits for a specified step to finish processing before allowing
incoming data to proceed downstream.
|
class |
BoundaryPlotter
A step that computes visualization data for class/cluster decision
boundaries.
|
class |
ClassAssigner
Knowledge Flow step for assigning a class attribute in incoming data
|
class |
Classifier
Step that wraps a Weka classifier.
|
class |
ClassifierPerformanceEvaluator
Step that implements batch classifier evaluation
|
class |
ClassValuePicker
Step that allows the selection of the class label that is to be considered as
the "positive" class when computing threshold curves.
|
class |
Clusterer
Step that wraps a Weka clusterer.
|
class |
ClustererPerformanceEvaluator
A step that evaluates the performance of batch trained clusterers
|
class |
CostBenefitAnalysis
Step for storing and viewing threshold data in a cost-benefit visualization
|
class |
CrossValidationFoldMaker
Step for generating cross-validation splits
|
class |
DataGenerator
Step that wraps a Weka DataGenerator.
|
class |
DataGrid
A step that allows the user to define instances to output
|
class |
DataVisualizer
A step that provides a visualization based on
weka.gui.visualize.VisualizePanel
|
class |
Dummy
A "dummy" no-op step
|
class |
Filter
Step that wraps a Weka filter.
|
class |
FlowByExpression
A step that splits incoming instances (or instance streams) according to the
evaluation of a logical expression.
|
class |
GraphViewer
Step for collecting and visualizing graph output from Drawable schemes.
|
class |
ImageSaver
Step for saving static images as either png or gif.
|
class |
ImageViewer
A step for collecting and viewing image data
|
class |
IncrementalClassifierEvaluator
Step that evaluates incremental classifiers and produces strip chart data
|
class |
InstanceStreamToBatchMaker
Step that converts an incoming instance stream to a batch dataset
|
class |
Join
Step that performs an inner join on one or more key fields from two incoming
batch or streaming datasets.
|
class |
Loader
Knowledge Flow step that wraps
weka.core.converters.Loaders. |
class |
MakeResourceIntensive
A Step that makes downstream steps that are directly connected to this step
resource intensive (or not).
|
class |
MemoryBasedDataSource
Simple start step that stores a set of instances and outputs it in a
dataSet connection.
|
class |
ModelPerformanceChart
A Step that collects and displays either classifier error plots or threshold
curves
|
class |
PredictionAppender
Step that can produce data with predictions appended from batch or
incremental classifiers and clusterers
|
class |
Saver
Step that wraps weka.core.converters.Saver classes
|
class |
ScatterPlotMatrix
Step that collects data for display in a scatter plot matrix.
|
class |
SerializedModelSaver
Step that can save models encapsulated in incoming
Data objects to
the filesystem. |
class |
SetVariables
Step that can be used to set the values of environment variables for the flow
being executed.
|
class |
Sorter
Step for sorting instances according to one or more attributes.
|
class |
StripChart
A step that can display a viewer showing a right-to-left scrolling chart
for streaming data
|
class |
SubstringLabeler
Step that appends a label to incoming instances according to substring
matches in string attributes.
|
class |
SubstringReplacer
A step that can replace sub-strings in the values of string attributes.
|
class |
TestSetMaker
A step that makes an incoming dataSet or trainingSet into a testSet.
|
class |
TextSaver
Step for saving textual data to a file.
|
class |
TextViewer
A step for collecting and viewing textual data
|
class |
TrainingSetMaker
Step that converts an incoming dataSet or testSet into a trainingSet.
|
class |
TrainTestSplitMaker
A step that creates a random train/test split from an incoming data set.
|
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