com.tdunning.math.stats

Class FloatHistogram

java.lang.Object

com.tdunning.math.stats.Histogram

com.tdunning.math.stats.FloatHistogram

All Implemented Interfaces:

Serializable

public class FloatHistogram
extends Histogram

Maintains histogram buckets that are constant width in base-2 floating point representation space. This is close to exponential binning, but should be much faster.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.tdunning.math.stats.Histogram

counts, logFactor, logOffset, max, min

Constructor Summary

Constructors

Constructor and Description
FloatHistogram(double min, double max)
FloatHistogram(double min, double max, double binsPerDecade)

Method Summary

Modifier and Type	Method and Description
protected int	bucketIndex(double x)
long[]	getCompressedCounts()
void	readObject(ObjectInputStream in)
void	writeObject(ObjectOutputStream out)

Methods inherited from class com.tdunning.math.stats.Histogram

add, getBounds, getCounts, setupBins

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FloatHistogram

public FloatHistogram(double min,
                      double max)

FloatHistogram

public FloatHistogram(double min,
                      double max,
                      double binsPerDecade)

Method Detail

bucketIndex

protected int bucketIndex(double x)

Specified by:

bucketIndex in class Histogram

getCompressedCounts

public long[] getCompressedCounts()

writeObject

public void writeObject(ObjectOutputStream out)
                 throws IOException

Throws:

IOException

readObject

public void readObject(ObjectInputStream in)
                throws IOException

Throws:

IOException