PrimitiveVector

java.lang.Object

smile.data.vector.AbstractVector

smile.data.vector.PrimitiveVector

All Implemented Interfaces:: Serializable, ValueVector

Direct Known Subclasses:: BooleanVector, ByteVector, CharVector, DoubleVector, FloatVector, IntVector, LongVector, ShortVector

public abstract class PrimitiveVector extends AbstractVector

Abstract base class implementation of ValueVector interface.

See Also:

Constructor Summary

Constructors

Constructor

Description

PrimitiveVector(StructField field)

Constructor.
Method Summary

Modifier and Type

Method

Description

int

getNullCount()

Returns the number of null/missing values in this vector.

boolean

isNullable()

Returns true if the values of vector may be null.

boolean

isNullAt(int i)

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

double

max()

Returns the maximal value.

double

mean()

Returns the mean.

double

median()

Returns the median.

double

min()

Returns the minimal value.

double

q1()

Returns the 25% quantile.

double

q3()

Returns the 75% quantile.

double

stdev()

Returns the standard deviation.

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, doubleStream, dtype, eq, ge, get, get, get, getBoolean, getByte, getChar, getDouble, getFloat, getInt, getLong, getScale, getShort, getString, gt, intStream, isin, isNull, le, longStream, lt, measure, name, ne, set, size, slice, slice, stream, toDoubleArray, toIntArray, toLongArray, toStringArray, toStringArray, update, withName

Constructor Details
- PrimitiveVector
  
  public PrimitiveVector(StructField field)
  
  Constructor.
  
  Parameters:
  
  field - The struct field of the vector.
Method Details
- mean
  
  public double mean()
  
  Returns the mean.
- stdev
  
  public double stdev()
  
  Returns the standard deviation.
- min
  
  public double min()
  
  Returns the minimal value.
- max
  
  public double max()
  
  Returns the maximal value.
- median
  
  public double median()
  
  Returns the median.
- q1
  
  public double q1()
  
  Returns the 25% quantile.
- q3
  
  public double q3()
  
  Returns the 75% quantile.
- isNullable
  
  public boolean isNullable()
  
  Description copied from interface: ValueVector
  
  Returns true if the values of vector may be null.
  
  Returns:
  
  true if the values of vector may be null.
- isNullAt
  
  public boolean isNullAt(int i)
  
  Description copied from interface: ValueVector
  
  Returns true if the value at the given index is null/missing.
  
  Parameters:
  
  i - the index.
  
  Returns:
  
  true if the value at the given index is null/missing.
- getNullCount
  
  public int getNullCount()
  
  Description copied from interface: ValueVector
  
  Returns the number of null/missing values in this vector.
  
  Returns:
  
  the number of null/missing values in this vector.