org.knime.base.node.preproc.sample
Classes 
AbstractSamplingNodeModel
LinearSamplingRowFilter
RandomFractionRowFilter
RandomNumberRowFilter
Sampler
SamplingNodeDialog
SamplingNodeDialogPanel
SamplingNodeFactory
SamplingNodeModel
SamplingNodeSettings
StratifiedSamplingRowFilter
Enums 
SamplingNodeSettings.CountMethods
SamplingNodeSettings.SamplingMethods