PTransform
s to compute statistical sketches on data streams based on the ZetaSketch implementation.See: Description
Class | Description |
---|---|
ApproximateCountDistinct |
PTransform s for estimating the number of distinct elements in a PCollection , or
the number of distinct values associated with each key in a PCollection of KV s. |
ApproximateCountDistinct.Globally<T> |
PTransform for estimating the number of distinct elements in a PCollection . |
ApproximateCountDistinct.Globally.Builder<T> | |
ApproximateCountDistinct.PerKey<K,V> | |
ApproximateCountDistinct.PerKey.Builder<K,V> | |
HllCount |
PTransform s to compute HyperLogLogPlusPlus (HLL++) sketches on data streams based on the
ZetaSketch implementation. |
HllCount.Extract |
Provides
PTransform s to extract the estimated count of distinct elements (as Long s) from each HLL++ sketch. |
HllCount.Init |
Provides
PTransform s to aggregate inputs into HLL++ sketches. |
HllCount.Init.Builder<InputT> |
Builder for the
HllCount.Init combining PTransform . |
HllCount.MergePartial |
Provides
PTransform s to merge HLL++ sketches into a new sketch. |
PTransform
s to compute statistical sketches on data streams based on the ZetaSketch implementation.