long count
long checksum
String id
long counter
long checksum
String id
org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer
org.apache.flink.api.common.accumulators.SerializedListAccumulator<T> accumulator
String id
long counter
int count
TextOutputFormat.TextFormatter<IN> formatter
boolean withReplacement
int numSample
long seed
boolean withReplacement
int numSample
long seed
boolean withReplacement
double fraction
long seed
int[] fields
int[] fields
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
IOException
ClassNotFoundException
private void writeObject(ObjectOutputStream out) throws IOException
IOException
org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer
org.apache.flink.api.common.typeutils.TypeSerializer<T> typeSerializer
int id
org.apache.flink.util.SplittableIterator<T> source
String sinkIdentifier
boolean target
int arity
org.apache.flink.api.common.typeinfo.TypeInformation<T>[] fieldTypeInfos
int[] fieldPosMap
boolean emptyColumnAsNull
String partitionMarker
String charsetName
String charsetName
String charsetName
boolean skipInvalidLines
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase<T> tupleSerializer
org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer
org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer
int[] fields
boolean[] isFromFirst
org.apache.flink.api.java.tuple.Tuple outTuple
org.apache.flink.api.common.functions.CombineFunction<IN,OUT> wrappedFunction
org.apache.flink.api.java.functions.KeySelector<IN,KEY> keySelector
org.apache.flink.api.java.tuple.Tuple2<T0,T1> tuple
org.apache.flink.api.common.functions.RichGroupReduceFunction<IN,OUT> wrappedFunction
Tuple3UnwrappingIterator<T,K1,K2> tui
org.apache.flink.api.java.tuple.Tuple3<T0,T1,T2> outTuple
org.apache.flink.util.Collector<T> wrappedCollector
TupleUnwrappingIterator<T,K> tui
org.apache.flink.api.java.tuple.Tuple2<T0,T1> outTuple
org.apache.flink.util.Collector<T> wrappedCollector
org.apache.flink.api.java.functions.KeySelector<IN,KEY> keySelector1
org.apache.flink.api.java.functions.KeySelector<IN,KEY> keySelector2
org.apache.flink.api.java.tuple.Tuple3<T0,T1,T2> tuple
org.apache.flink.api.common.functions.Function wrappedFunction
long trueCount
long falseCount
long nullCount
double value
double delta
double max
double min
CompensatedSum sum
float max
float min
CompensatedSum sum
int max
int min
int sum
long max
long min
long nonMissingCount
long nullCount
long nanCount
long infinityCount
Aggregator<T,R> min
Aggregator<T,R> max
Aggregator<T,R> sum
CompensatedSum mean
CompensatedSum m2
The algorithm is described in: "Scalable and Numerically Stable Descriptive Statistics in SystemML", Tian et al, International Conference on Data Engineering 2012
long nonNullCount
long nullCount
short max
short min
short sum
long nonNullCount
long nullCount
long emptyCount
int minStringLength
int maxStringLength
CompensatedSum meanLength
Aggregator<T,R>[] columnAggregators
Aggregator<T,R> aggregator
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
IOException
ClassNotFoundException
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