org.bytedeco.arrow

Class VarianceOptions

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow.FunctionOptions

org.bytedeco.arrow.VarianceOptions

All Implemented Interfaces:

AutoCloseable

@Namespace(value="arrow::compute")
 @NoOffset
 @Properties(inherit=arrow.class)
public class VarianceOptions
extends FunctionOptions

\brief Control Delta Degrees of Freedom (ddof) of Variance and Stddev kernel The divisor used in calculations is N - ddof, where N is the number of elements. By default, ddof is zero, and population variance or stddev is returned.

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
VarianceOptions()
VarianceOptions(int ddof, boolean skip_nulls, int min_count)
VarianceOptions(long size) Native array allocator.
VarianceOptions(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
int	ddof()
VarianceOptions	ddof(int setter)
static VarianceOptions	Defaults()
VarianceOptions	getPointer(long i)
static String	kTypeName()
static byte	kTypeName(int i)
int	min_count() If less than this many non-null values are observed, emit null.
VarianceOptions	min_count(int setter)
VarianceOptions	position(long position)
boolean	skip_nulls() If true (the default), null values are ignored.
VarianceOptions	skip_nulls(boolean setter)

Methods inherited from class org.bytedeco.arrow.FunctionOptions

Copy, Deserialize, Deserialize, Equals, options_type, Serialize, ToString, type_name

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, getDirectBufferAddress, getPointer, getPointer, getPointer, hashCode, interruptDeallocatorThread, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetAddress, offsetof, offsetof, parseBytes, physicalBytes, physicalBytesInaccurate, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

VarianceOptions

public VarianceOptions(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

VarianceOptions

public VarianceOptions(long size)

Native array allocator. Access with Pointer.position(long).

VarianceOptions

public VarianceOptions(int ddof,
                       @Cast(value="bool")
                       boolean skip_nulls,
                       @Cast(value="uint32_t")
                       int min_count)

VarianceOptions

public VarianceOptions()

Method Detail

position

public VarianceOptions position(long position)

Overrides:

position in class Pointer

getPointer

public VarianceOptions getPointer(long i)

Overrides:

getPointer in class Pointer

kTypeName

@MemberGetter
public static byte kTypeName(int i)

kTypeName

@MemberGetter
public static String kTypeName()

Defaults

@ByVal
public static VarianceOptions Defaults()

ddof

public int ddof()

ddof

public VarianceOptions ddof(int setter)

skip_nulls

@Cast(value="bool")
public boolean skip_nulls()

If true (the default), null values are ignored. Otherwise, if any value is null, emit null.

skip_nulls

public VarianceOptions skip_nulls(boolean setter)

min_count

@Cast(value="uint32_t")
public int min_count()

If less than this many non-null values are observed, emit null.

min_count

public VarianceOptions min_count(int setter)