Package | Description |
---|---|
org.apache.mahout.clustering |
Modifier and Type | Class and Description |
---|---|
class |
OnlineGaussianAccumulator
An online Gaussian statistics accumulator based upon Knuth (who cites Welford) which is declared to be
numerically-stable.
|
class |
RunningSumsGaussianAccumulator
An online Gaussian accumulator that uses a running power sums approach as reported
on http://en.wikipedia.org/wiki/Standard_deviation
Suffers from overflow, underflow and roundoff error but has minimal observe-time overhead
|
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