de.unknownreality.dataframe.column

Class NumberColumn<T extends Number & Comparable<T>,C extends NumberColumn<T,C>>

java.lang.Object

de.unknownreality.dataframe.DataFrameColumn<T,C>

de.unknownreality.dataframe.column.BasicColumn<T,C>

de.unknownreality.dataframe.column.NumberColumn<T,C>

All Implemented Interfaces:

Iterable<T>

Direct Known Subclasses:

ByteColumn, DoubleColumn, FloatColumn, IntegerColumn, LongColumn, ShortColumn

public abstract class NumberColumn<T extends Number & Comparable<T>,C extends NumberColumn<T,C>>
extends BasicColumn<T,C>

Created by Alex on 11.03.2016.

Field Summary

Fields inherited from class de.unknownreality.dataframe.column.BasicColumn

GROW_FACTOR, INIT_SIZE, values

Fields inherited from class de.unknownreality.dataframe.DataFrameColumn

ERROR_APPENDING

Constructor Summary

Constructors

Constructor and Description
NumberColumn()
NumberColumn(String name)
NumberColumn(String name, T[] values)

Method Summary

Modifier and Type	Method and Description
C	add(Number value) Adds a Number to the values in this column.
C	add(NumberColumn column) Adds the values of another NumberColumn to the values in this column.
C	divide(Number value) Divides all values in this column by a Number.
C	divide(NumberColumn column) Divides the values of this column by the values of another NumberColumn.
T	get(int index) Returns the value at a specified index
T	max() Returns the maximum of all values in this column
Double	mean() Returns the mean of all values in this column
T	median() Returns the median of all values in this column
T	min() Returns the minimum of all values in this column
C	multiply(Number value) Multiplies a Number to the values in this column.
C	multiply(NumberColumn column) Multiplies the values of another NumberColumn to the values in this column.
C	subtract(Number value) Subtracts a Number to the values in this column.
C	subtract(NumberColumn column) Subtracts the values of another NumberColumn from the values in this column.
T	sum() Returns the sum of all values in this column

Methods inherited from class de.unknownreality.dataframe.column.BasicColumn

clear, contains, containsAll, doAppend, doAppendAll, doAppendNA, doMap, doReverse, doSet, doSetNA, doSort, doSort, isEmpty, isNA, iterator, size, toArray, toArray, uniq

Methods inherited from class de.unknownreality.dataframe.DataFrameColumn

append, append, append, append, appendAll, appendNA, copy, endDataFrameAppend, getDataFrame, getName, getParser, getThis, getType, getValueFromRow, getValueFromRow, map, notifyDataFrameColumnChanged, notifyDataFrameValueChanged, reverse, set, setDataFrame, setNA, setName, sort, sort, startDataFrameAppend, toDouble, transform, transform, validateAppend

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

NumberColumn

public NumberColumn(String name)

NumberColumn

public NumberColumn()

NumberColumn

public NumberColumn(String name,
                    T[] values)

Method Detail

get

public T get(int index)

Description copied from class: DataFrameColumn

Returns the value at a specified index

Overrides:

get in class BasicColumn<T extends Number & Comparable<T>,C extends NumberColumn<T,C>>

Parameters:

index - Index of the returned value

Returns:

Value at the specified index

median

public T median()

Returns the median of all values in this column

Returns:

median of all values

mean

public Double mean()

Returns the mean of all values in this column

Returns:

mean of all values

min

public T min()

Returns the minimum of all values in this column

Returns:

minimum of all values

max

public T max()

Returns the maximum of all values in this column

Returns:

maximum of all values

sum

public T sum()

Returns the sum of all values in this column

Returns:

sum of all values

add

public C add(NumberColumn column)

Adds the values of another NumberColumn to the values in this column. column[index] += otherColumn[index]

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

column - column containing the values that are added

Returns:

self for method chaining

subtract

public C subtract(NumberColumn column)

Subtracts the values of another NumberColumn from the values in this column. column[index] -= otherColumn[index]

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

column - column containing the values that are subtracted

Returns:

self for method chaining

multiply

public C multiply(NumberColumn column)

Multiplies the values of another NumberColumn to the values in this column. column[index] *= otherColumn[index]

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

column - column containing the values that are multiplied

Returns:

self for method chaining

divide

public C divide(NumberColumn column)

Divides the values of this column by the values of another NumberColumn. column[index] /= otherColumn[index]

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

column - column containing the values that are divided

Returns:

self for method chaining

add

public C add(Number value)

Adds a Number to the values in this column. column[index] += number

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

value - value added to all values in this column

Returns:

self for method chaining

subtract

public C subtract(Number value)

Subtracts a Number to the values in this column. column[index] -= number

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

value - value subtracted from all values in this column

Returns:

self for method chaining

multiply

public C multiply(Number value)

Multiplies a Number to the values in this column. column[index] *= number

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

value - value multiplied to all values in this column

Returns:

self for method chaining

divide

public C divide(Number value)

Divides all values in this column by a Number. column[index] /= number

Calls DataFrameColumn.notifyDataFrameValueChanged(int) to ensure data frame index consistency

Parameters:

value - the value all values in this column are divided by

Returns:

self for method chaining