Package

com.twitter.algebird

statistics

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package statistics

Content Hierarchy
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Type Members

  1. case class GaussianDistribution(mean: Double, sigma2: Double) extends Product with Serializable

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    mean

    Mean

    sigma2

    Variance, where sqrt(sigma2) is the standard deviation aka Normal distribution

  2. class StatisticsGroup[T] extends StatisticsMonoid[T] with Group[T]

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    See also

    StatisticsSemigroup

  3. class StatisticsMonoid[T] extends StatisticsSemigroup[T] with Monoid[T]

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    See also

    StatisticsSemigroup

  4. class StatisticsRing[T] extends StatisticsGroup[T] with Ring[T]

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    See also

    StatisticsSemigroup

  5. class StatisticsSemigroup[T] extends Semigroup[T]

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    collect statistics about the calls to the wrapped Semigroup

Value Members

  1. object GaussianDistribution extends Serializable

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  2. object GaussianDistributionMonoid extends Monoid[GaussianDistribution]

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    This monoid stems from the fact that if X and Y are independent random variables that are normally distributed, then their sum is also normally distributed, with its new mean equal to the sum of two means and variance equal to the sum of two variances.

    This monoid stems from the fact that if X and Y are independent random variables that are normally distributed, then their sum is also normally distributed, with its new mean equal to the sum of two means and variance equal to the sum of two variances. http://en.wikipedia.org/wiki/Sum_of_normally_distributed_random_variables

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