程序包 org.meteoinfo.data.analysis

类 Statistics

java.lang.Object

org.meteoinfo.data.analysis.Statistics

public class Statistics
extends Object

作者:

Yaqiang Wang

构造器概要

构造器

构造器	说明
Statistics()

方法概要

限定符和类型	方法	说明
static double	maximum(List<Double> aDataList)	Maximum function
static double	mean(List<Double> aDataList)	Mean funtion
static double	median(List<Double> aDataList)	Median funtion
static double	minimum(List<Double> aDataList)	Minimum function
static double	quantile(List<Double> aDataList, double qValue)	Quantile function
static double	quantile(List<Double> aDataList, int aNum)	Quantile function
static double	quantile(Array a, int aNum)	Quantile function
static double	standardDeviation(List<Double> aDataList)	Standard deviation
static double	sum(List<Double> aDataList)	Sum funtion
static int	valueCount(List<Double> aDataList, double value)	Count the data value bigger then a threshold value

从类继承的方法 java.lang.Object

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

构造器详细资料

Statistics

public Statistics()

方法详细资料

valueCount

public static int valueCount(List<Double> aDataList,
                             double value)

Count the data value bigger then a threshold value

参数:

aDataList - The data list

value - Threshold value

返回:

Count

sum

public static double sum(List<Double> aDataList)

Sum funtion

参数:

aDataList - The data list

返回:

Sum

mean

public static double mean(List<Double> aDataList)

Mean funtion

参数:

aDataList - The data list

返回:

Mean

maximum

public static double maximum(List<Double> aDataList)

Maximum function

参数:

aDataList - The data list

返回:

Maximum

minimum

public static double minimum(List<Double> aDataList)

Minimum function

参数:

aDataList - The data list

返回:

Minimum

median

public static double median(List<Double> aDataList)

Median funtion

参数:

aDataList - The data list

返回:

Median

quantile

public static double quantile(List<Double> aDataList,
                              int aNum)

Quantile function

参数:

aDataList - The data list

aNum - Quantile index

返回:

Quantile value

quantile

public static double quantile(Array a,
                              int aNum)

Quantile function

参数:

a - The data array

aNum - Quantile index

返回:

Quantile value

quantile

public static double quantile(List<Double> aDataList,
                              double qValue)

Quantile function

参数:

aDataList - The data list

qValue - Quantile index

返回:

Quantile value

standardDeviation

public static double standardDeviation(List<Double> aDataList)

Standard deviation

参数:

aDataList - The data list

返回:

Standard deviation value