de.erichseifert.gral.data.filters

Class Median

java.lang.Object

de.erichseifert.gral.data.AbstractDataSource

de.erichseifert.gral.data.filters.Filter2D

de.erichseifert.gral.data.filters.Median

All Implemented Interfaces:

DataListener, DataSource, java.io.Serializable, java.lang.Iterable<java.lang.Comparable<?>>

public class Median
extends Filter2D

Class that calculates the median of a data sequence.

• Setting and getting offset
• Setting and getting window size

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class de.erichseifert.gral.data.filters.Filter2D

Filter2D.Mode

Constructor Summary

Constructors

Constructor and Description
Median(DataSource original, int windowSize, int offset, Filter2D.Mode mode, int... cols) Creates a new Median object with the specified DataSource, window size, offset, Mode, and columns.

Method Summary

Modifier and Type	Method and Description
int	getOffset() Returns the offset from the current value used to calculate the median to the last value of the window.
int	getWindowSize() Returns the size of the window which is used to calculate the median.
void	setOffset(int offset) Sets the offset from the current value used to calculate the median to the last value of the window.
void	setWindowSize(int windowSize) Set the size of the window which is used to calculate the median.

Methods inherited from class de.erichseifert.gral.data.filters.Filter2D

dataAdded, dataRemoved, dataUpdated, get, getColumnCount, getMode, getRowCount, setMode

Methods inherited from class de.erichseifert.gral.data.AbstractDataSource

addDataListener, getColumn, getColumnStatistics, getColumnTypes, getName, getRecord, getRow, getRowStatistics, getStatistics, isColumnNumeric, iterator, removeDataListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

Median

public Median(DataSource original,
              int windowSize,
              int offset,
              Filter2D.Mode mode,
              int... cols)

Creates a new Median object with the specified DataSource, window size, offset, Mode, and columns.

Parameters:

original - DataSource to be filtered.

windowSize - Number of rows to be used for the calculation of the median.

offset - Offset from the current filtered value to the last value of the window.

mode - Mode of filtering.

cols - Column indexes.

Method Detail

getWindowSize

public int getWindowSize()

Returns the size of the window which is used to calculate the median.

Returns:

Number of rows used.

setWindowSize

public void setWindowSize(int windowSize)

Set the size of the window which is used to calculate the median.

Parameters:

windowSize - Number of rows used.

getOffset

public int getOffset()

Returns the offset from the current value used to calculate the median to the last value of the window.

Returns:

Offset.

setOffset

public void setOffset(int offset)

Sets the offset from the current value used to calculate the median to the last value of the window.

Parameters:

offset - Offset.