程序包 org.meteoinfo.dataframe

类 Series

java.lang.Object

org.meteoinfo.dataframe.Series

所有已实现的接口:

Iterable

public class Series
extends Object
implements Iterable

作者:

Yaqiang Wang

构造器概要

构造器

构造器	说明
Series(Array data, String name)	Constructor
Series(Array data, List idxValue, String name)	Constructor
Series(Array data, Index index, String name)	Constructor

方法概要

修饰符和类型	方法	说明
Series	equal(Number v)	Equal
Series	equal(String v)	Equal
Array	getData()	Get data array
Index	getIndex()	Get index
Object	getIndexValue(int i)	Get a index value
String	getName()	Get name
Object	getValue(int i)	Get a data value
Object	getValueByIndex(Object idxValue)	Get value by index
Series	getValueByIndex(List idxValues)	Get values by index
Series	getValueByIndex_bak(List idxValues)	Get values by index
Series	getValues(List<Integer> ii)	Get values
Series	getValues(Range range)	Get values
Series	greaterThan(Number v)	Greater then
Series	greaterThanOrEqual(Number v)	Greater then or equal
SeriesGroupBy	groupBy()	Group the series rows using the specified key function.
SeriesGroupBy	groupBy(String tStr)	Group by time string - DateTimeIndex
SeriesGroupBy	groupBy(KeyFunction function)	Group the series rows using the specified key function.
SeriesGroupBy	groupBy(TimeFunction function)	Group the series rows using the specified time function.
String	head(int n)	Convert to string - head
boolean	isEmpty()	Get if the series contains no data
Iterator	iterator()
ListIterator<List<Object>>	iterrows()
Series	lessThan(Number v)	Less then
Series	lessThanOrEqual(Number v)	Less then or equal
Object	max()	Compute the maximum of the numeric columns for each group or the entire series if the data is not grouped.
Object	mean()	Compute the mean of the numeric columns for each group or the entire series if the data is not grouped.
Object	min()	Compute the minimum of the numeric columns for each group or the entire series if the data is not grouped.
SeriesGroupBy	resample(String pStr)	Group the series rows using the specified key function.
SeriesGroupBy	resample(WindowFunction function)	Group the series rows using the specified key function.
void	saveCSV(String fileName, String delimiter, String dateFormat, String floatFormat, boolean index)	Save as CSV file
void	setData(Array value)	Set data array
void	setIndex(List value)	Set index
void	setIndex(Index value)	Set index
void	setName(String value)	Set name
void	setValue(int i, Object v)	Set a data value
void	setValue(Series s, Object v)	Set data values by another boolean series
int	size()	Get size
Object	stdDev()	Compute the standard deviation of the numeric columns for each group or the entire series if the data is not grouped.
String	tail(int n)	Convert to string - tail
String	toString()

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.lang.Iterable

forEach, spliterator

构造器详细资料

Series

public Series(Array data,
              Index index,
              String name)

Constructor

参数:

data - Data array

index - Index

name - Name

Series

public Series(Array data,
              List idxValue,
              String name)

Constructor

参数:

data - Data array

idxValue - Index value

name - Name

Series

public Series(Array data,
              String name)

Constructor

参数:

data - Data array

name - name

方法详细资料

getData

public Array getData()

Get data array

返回:

Data array

setData

public void setData(Array value)

Set data array

参数:

value - Data array

getIndex

public Index getIndex()

Get index

返回:

Index

setIndex

public void setIndex(Index value)

Set index

参数:

value - Index

setIndex

public void setIndex(List value)

Set index

参数:

value - Index value

getName

public String getName()

Get name

返回:

Name

setName

public void setName(String value)

Set name

参数:

value - Name

isEmpty

public boolean isEmpty()

Get if the series contains no data

返回:

Boolean

getValue

public Object getValue(int i)

Get a data value

参数:

i - Index

返回:

Data value

getValueByIndex

public Object getValueByIndex(Object idxValue)

Get value by index

参数:

idxValue - Index value

返回:

Data value

setValue

public void setValue(int i,
                     Object v)

Set a data value

参数:

i - Index

v - Data value

setValue

public void setValue(Series s,
                     Object v)

Set data values by another boolean series

参数:

s - Boolean series

v - Data value

getValues

public Series getValues(List<Integer> ii)

Get values

参数:

ii - index values

返回:

Result series

getValues

public Series getValues(Range range)

Get values

参数:

range - Range

返回:

Result series

getValueByIndex

public Series getValueByIndex(List idxValues)

Get values by index

参数:

idxValues - index values

返回:

Result series

getValueByIndex_bak

public Series getValueByIndex_bak(List idxValues)

Get values by index

参数:

idxValues - index values

返回:

Result series

getIndexValue

public Object getIndexValue(int i)

Get a index value

参数:

i - Index

返回:

Index value

iterator

public Iterator iterator()

指定者:

iterator 在接口中 Iterable

iterrows

public ListIterator<List<Object>> iterrows()

size

public int size()

Get size

返回:

Size

groupBy

public SeriesGroupBy groupBy(KeyFunction function)

Group the series rows using the specified key function.

参数:

function - the function to reduce rows to grouping keys

返回:

the grouping

groupBy

public SeriesGroupBy groupBy()

Group the series rows using the specified key function.

返回:

the grouping

groupBy

public SeriesGroupBy groupBy(TimeFunction function)

Group the series rows using the specified time function.

参数:

function - the function to reduce rows to grouping keys

返回:

the grouping

groupBy

public SeriesGroupBy groupBy(String tStr)

Group by time string - DateTimeIndex

参数:

tStr - Time string

返回:

The grouping

resample

public SeriesGroupBy resample(WindowFunction function)

Group the series rows using the specified key function.

参数:

function - the function to reduce rows to grouping keys

返回:

the grouping

resample

public SeriesGroupBy resample(String pStr)

Group the series rows using the specified key function.

参数:

pStr - Period string

返回:

the grouping

mean

public Object mean()

Compute the mean of the numeric columns for each group or the entire series if the data is not grouped.

返回:

Mean object

max

public Object max()

Compute the maximum of the numeric columns for each group or the entire series if the data is not grouped.

返回:

Maximum object

min

public Object min()

Compute the minimum of the numeric columns for each group or the entire series if the data is not grouped.

返回:

Minimum object

stdDev

public Object stdDev()
              throws InvalidRangeException

Compute the standard deviation of the numeric columns for each group or the entire series if the data is not grouped.

返回:

Minimum object

抛出:

InvalidRangeException

equal

public Series equal(Number v)

Equal

参数:

v - Value

返回:

Result series

equal

public Series equal(String v)

Equal

参数:

v - Value

返回:

Result series

lessThan

public Series lessThan(Number v)

Less then

参数:

v - Value

返回:

Result series

lessThanOrEqual

public Series lessThanOrEqual(Number v)

Less then or equal

参数:

v - Value

返回:

Result series

greaterThan

public Series greaterThan(Number v)

Greater then

参数:

v - Value

返回:

Result series

greaterThanOrEqual

public Series greaterThanOrEqual(Number v)

Greater then or equal

参数:

v - Value

返回:

Result series

head

public String head(int n)

Convert to string - head

参数:

n - Head row number

返回:

The string

tail

public String tail(int n)

Convert to string - tail

参数:

n - Tail row number

返回:

The string

toString

public String toString()

覆盖:

toString 在类中 Object

saveCSV

public void saveCSV(String fileName,
                    String delimiter,
                    String dateFormat,
                    String floatFormat,
                    boolean index)
             throws IOException

Save as CSV file

参数:

fileName - File name

delimiter - Delimiter

dateFormat - Date format string

floatFormat - Float format string

index - If write index

抛出:

IOException