object DataValidators extends Logging
:: DeveloperApi :: A collection of methods used to validate data before applying ML algorithms.
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- @DeveloperApi() @Since( "0.8.0" )
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val
binaryLabelValidator: (RDD[LabeledPoint]) ⇒ Boolean
Function to check if labels used for classification are either zero or one.
Function to check if labels used for classification are either zero or one.
- returns
True if labels are all zero or one, false otherwise.
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initializeLogIfNecessary(isInterpreter: Boolean): Unit
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isTraceEnabled(): Boolean
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log: Logger
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def
multiLabelValidator(k: Int): (RDD[LabeledPoint]) ⇒ Boolean
Function to check if labels used for k class multi-label classification are in the range of {0, 1, ..., k - 1}.
Function to check if labels used for k class multi-label classification are in the range of {0, 1, ..., k - 1}.
- returns
True if labels are all in the range of {0, 1, ..., k-1}, false otherwise.
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- @Since( "1.3.0" )
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