object Deviate extends Factory
Accumulate the weighted mean and weighted variance of a given quantity.
The variance is computed around the mean, not zero.
Uses the numerically stable weighted mean and weighted variance algorithms described in Tony Finch, "Incremental calculation of weighted mean and variance" Univeristy of Cambridge Computing Service, 2009.
Factory produces mutable org.dianahep.histogrammar.Deviating and immutable org.dianahep.histogrammar.Deviated objects.
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- def apply[DATUM](quantity: UserFcn[DATUM, Double]): Deviating[DATUM]
Create an empty, mutable org.dianahep.histogrammar.Deviating.
Create an empty, mutable org.dianahep.histogrammar.Deviating.
- quantity
Numerical function to track.
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- val detailedHelp: String
Help text that can be queried interactively: more detail than
help. - def ed(entries: Double, mean: Double, variance: Double): Deviated
Create an immutable org.dianahep.histogrammar.Deviated from arguments (instead of JSON).
Create an immutable org.dianahep.histogrammar.Deviated from arguments (instead of JSON).
- entries
Weighted number of entries (sum of all observed weights).
- mean
Weighted mean of the quantity.
- variance
Weighted variance of the quantity.
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- def fromJsonFragment(json: Json, nameFromParent: Option[String]): Container[_] with NoAggregation
Reconstructs a container of known type from JSON.
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- val help: String
Help text that can be queried interactively: a one-liner that can be included in a menu.
- def ing[DATUM](quantity: UserFcn[DATUM, Double]): Deviating[DATUM]
Synonym for
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Name of the concrete
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- def unapply[DATUM](x: Deviating[DATUM]): Some[Double]
Use org.dianahep.histogrammar.Deviating in Scala pattern-matching.
- def unapply(x: Deviated): Some[Double]
Use org.dianahep.histogrammar.Deviated in Scala pattern-matching.
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- Deprecated
(Since version 9)