Package smile.data.vector

Class FloatVector

java.lang.Object

smile.data.vector.AbstractVector

smile.data.vector.PrimitiveVector

smile.data.vector.FloatVector

All Implemented Interfaces:

Serializable, ValueVector

public class FloatVector
extends PrimitiveVector

A float vector.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
FloatVector(String name, float[] vector)	Constructor.
FloatVector(StructField field, float[] vector)	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(float value)	Fills NaN/Inf values with the specified value.
Float	get(int i)	Returns the value at position i, which may be null.
FloatVector	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.
boolean	isNullAt(int i)	Returns true if the value at the given index is null/missing.
void	set(int i, Object value)	Sets the value at position i.
int	size()	Returns the number of elements in the vector.
FloatVector	withName(String name)	Returns the vector with the new name.

Methods inherited from class smile.data.vector.PrimitiveVector

getNullCount, isNullable, max, mean, median, min, q1, q3, 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

FloatVector

public FloatVector(String name,
 float[] vector)

Constructor.

Parameters:

name - the name of vector.

vector - the elements of vector.

FloatVector

public FloatVector(StructField field,
 float[] vector)

Constructor.

Parameters:

field - the struct field of vector.

vector - the elements of vector.

Method Details

fillna

public void fillna(float value)

Fills NaN/Inf values with the specified value.

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 FloatVector 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 FloatVector 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.

isNullAt

public boolean isNullAt(int i)

Description copied from interface: ValueVector

Returns true if the value at the given index is null/missing.

Specified by:

isNullAt in interface ValueVector

Overrides:

isNullAt in class PrimitiveVector

Parameters:

i - the index.

Returns:

true if the value at the given index is null/missing.

get

public Float 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.

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.

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.

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.