object ParamValidators
Factory methods for common validation functions for Param.isValid.
The numerical methods only support Int, Long, Float, and Double.
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        arrayLengthGt[T](lowerBound: Double): (Array[T]) ⇒ Boolean
      
      
      
Check that the array length is greater than lowerBound.
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        checkSingleVsMultiColumnParams(model: Params, singleColumnParams: Seq[Param[_]], multiColumnParams: Seq[Param[_]]): Unit
      
      
      
Utility for Param validity checks for Transformers which have both single- and multi-column support.
Utility for Param validity checks for Transformers which have both single- and multi-column support. This utility assumes that
inputColindicates single-column usage and thatinputColsindicates multi-column usage.This checks to ensure that exactly one set of Params has been set, and it raises an
IllegalArgumentExceptionif not.- singleColumnParams
 Params which should be set (or have defaults) if
inputColhas been set. This does not need to includeinputCol.- multiColumnParams
 Params which should be set (or have defaults) if
inputColshas been set. This does not need to includeinputCols.
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        gt[T](lowerBound: Double): (T) ⇒ Boolean
      
      
      
Check if value is greater than lowerBound
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        gtEq[T](lowerBound: Double): (T) ⇒ Boolean
      
      
      
Check if value is greater than or equal to lowerBound
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        inArray[T](allowed: List[T]): (T) ⇒ Boolean
      
      
      
Check for value in an allowed set of values.
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        inArray[T](allowed: Array[T]): (T) ⇒ Boolean
      
      
      
Check for value in an allowed set of values.
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        inRange[T](lowerBound: Double, upperBound: Double): (T) ⇒ Boolean
      
      
      
Version of
inRange()which uses inclusive be default: [lowerBound, upperBound] - 
      
      
      
        
      
    
      
        
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        inRange[T](lowerBound: Double, upperBound: Double, lowerInclusive: Boolean, upperInclusive: Boolean): (T) ⇒ Boolean
      
      
      
Check for value in range lowerBound to upperBound.
Check for value in range lowerBound to upperBound.
- lowerInclusive
 if true, range includes value = lowerBound
- upperInclusive
 if true, range includes value = upperBound
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        lt[T](upperBound: Double): (T) ⇒ Boolean
      
      
      
Check if value is less than upperBound
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        ltEq[T](upperBound: Double): (T) ⇒ Boolean
      
      
      
Check if value is less than or equal to upperBound
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