Package smile.data.vector

Class NullableDoubleVector

java.lang.Object

smile.data.vector.AbstractVector

smile.data.vector.NullablePrimitiveVector

smile.data.vector.NullableDoubleVector

All Implemented Interfaces:

Serializable, ValueVector

public class NullableDoubleVector
extends NullablePrimitiveVector

A nullable double vector.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
NullableDoubleVector(String name, double[] vector, BitSet nullMask)	Constructor.
NullableDoubleVector(StructField field, double[] vector, BitSet nullMask)	Constructor.

Method Summary

Modifier and Type	Method	Description
DoubleStream	doubleStream()	Returns a DoubleStream consisting of the elements of this vector, converted to double.
void	fillna(double value)	Fills NaN/Inf values using the specified value.
Double	get(int i)	Returns the value at position i, which may be null.
NullableDoubleVector	get(Index index)	Returns a new vector with selected entries.
boolean	getBoolean(int i)	Returns the boolean value at position i.
byte	getByte(int i)	Returns the byte value at position i.
char	getChar(int i)	Returns the character value at position i.
double	getDouble(int i)	Returns the double value at position i.
float	getFloat(int i)	Returns the float value at position i.
int	getInt(int i)	Returns the integer value at position i.
long	getLong(int i)	Returns the long value at position i.
short	getShort(int i)	Returns the short value at position i.
void	set(int i, Object value)	Sets the value at position i.
int	size()	Returns the number of elements in the vector.
NullableDoubleVector	withName(String name)	Returns the vector with the new name.

Methods inherited from class smile.data.vector.NullablePrimitiveVector

getNullCount, getNullMask, isNullable, isNullAt, max, mean, median, min, q1, q3, setNullMask, stdev

Methods inherited from class smile.data.vector.AbstractVector

field, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface smile.data.vector.ValueVector

anyNull, apply, apply, dtype, eq, ge, get, getScale, getString, gt, intStream, isin, isNull, le, longStream, lt, measure, name, ne, slice, slice, stream, toDoubleArray, toIntArray, toLongArray, toStringArray, toStringArray, update

Constructor Details

NullableDoubleVector

public NullableDoubleVector(String name,
 double[] vector,
 BitSet nullMask)

Constructor.

Parameters:

name - the name of vector.

vector - the elements of vector.

nullMask - The null bitmap. The bit is 1 if the value is null.

NullableDoubleVector

public NullableDoubleVector(StructField field,
 double[] vector,
 BitSet nullMask)

Constructor.

Parameters:

field - the struct field of vector.

vector - the elements of vector.

nullMask - The null bitmap. The bit is 1 if the value is null.

Method Details

fillna

public void fillna(double value)

Fills NaN/Inf values using the specified value.

Overrides:

fillna in class NullablePrimitiveVector

Parameters:

value - the value to replace NAs.

size

public int size()

Description copied from interface: ValueVector

Returns the number of elements in the vector.

Returns:

the number of elements in the vector.

withName

public NullableDoubleVector withName(String name)

Description copied from interface: ValueVector

Returns the vector with the new name.

Parameters:

name - the new name.

Returns:

the vector with the new name.

doubleStream

public DoubleStream doubleStream()

Description copied from interface: ValueVector

Returns a DoubleStream consisting of the elements of this vector, converted to double.

Returns:

a DoubleStream consisting of the elements of this vector.

set

public void set(int i,
 Object value)

Description copied from interface: ValueVector

Sets the value at position i.

Parameters:

i - the index.

value - the new value.

get

public NullableDoubleVector get(Index index)

Description copied from interface: ValueVector

Returns a new vector with selected entries.

Parameters:

index - the index of selected entries.

Returns:

the new vector of selected entries.

get

public Double get(int i)

Description copied from interface: ValueVector

Returns the value at position i, which may be null.

Parameters:

i - the index.

Returns:

the value.

getDouble

public double getDouble(int i)

Description copied from interface: ValueVector

Returns the double value at position i.

Parameters:

i - the index.

Returns:

the value.

getBoolean

public boolean getBoolean(int i)

Description copied from interface: ValueVector

Returns the boolean value at position i.

Parameters:

i - the index.

Returns:

the value.

getChar

public char getChar(int i)

Description copied from interface: ValueVector

Returns the character value at position i.

Parameters:

i - the index.

Returns:

the value.

getByte

public byte getByte(int i)

Description copied from interface: ValueVector

Returns the byte value at position i.

Parameters:

i - the index.

Returns:

the value.

getShort

public short getShort(int i)

Description copied from interface: ValueVector

Returns the short value at position i.

Parameters:

i - the index.

Returns:

the value.

getInt

public int getInt(int i)

Description copied from interface: ValueVector

Returns the integer value at position i.

Parameters:

i - the index.

Returns:

the value.

getLong

public long getLong(int i)

Description copied from interface: ValueVector

Returns the long value at position i.

Parameters:

i - the index.

Returns:

the value.

getFloat

public float getFloat(int i)

Description copied from interface: ValueVector

Returns the float value at position i.

Parameters:

i - the index.

Returns:

the value.