SQLOperations

Value Members

1. final def !=(arg0: Any): Boolean

   

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2. final def ##(): Int

   

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3. final def ==(arg0: Any): Boolean

   

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4. final def asInstanceOf[T0]: T0

   

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5. def clone(): AnyRef

   

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6. def collectAsList(dataType: DataType): UserDefinedAggregateFunction

   

7. def collectAsSet(dataType: DataType): UserDefinedAggregateFunction

   

8. final def eq(arg0: AnyRef): Boolean

   

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9. def equals(arg0: Any): Boolean

   

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10. def finalize(): Unit

    

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11. final def getClass(): Class[_]

    

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12. def hashCode(): Int

    

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13. final def isInstanceOf[T0]: Boolean

    

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14. def mergeSets(dataType: DataType): UserDefinedAggregateFunction

    

15. final def ne(arg0: AnyRef): Boolean

    

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16. final def notify(): Unit

    

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17. final def notifyAll(): Unit

    

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18. final def synchronized[T0](arg0: ⇒ T0): T0

    

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19. def toString(): String

    

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20. final def wait(): Unit

    

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21. final def wait(arg0: Long, arg1: Int): Unit

    

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22. final def wait(arg0: Long): Unit

    

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23. def willsonLower(sqlContext: SQLContext, confidence: Double = 0.95, minBound: Double = 0.0): UserDefinedFunction

    

    Utility used to create UDF-s for Willson confidence interval estimation.

    Utility used to create UDF-s for Willson confidence interval estimation. Mainly copied from org.apache.commons.math3.stat.interval.WilsonScoreInterval, but optimized for multiple evaluations.

    See https://habrahabr.ru/company/darudar/blog/143188/ for details.

    confidence

    Confidence level (95% by default)

    minBound

    Minimum lower bound value (bellow that result is reset to 0 to achive higher sparsity).

    returns

    Function for estimation of Wilson confidence interval lower bound.