Package org.forester.util
Interface DescriptiveStatistics
-
- All Known Implementing Classes:
BasicDescriptiveStatistics
public interface DescriptiveStatistics
-
-
Field Summary
Fields Modifier and Type Field Description static java.lang.String
PLUS_MINUS
-
Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
addValue(double d)
double
arithmeticMean()
java.lang.String
asSummary()
double
coefficientOfVariation()
Computes the coefficient of variation.java.util.List<java.lang.Double>
getData()
double[]
getDataAsDoubleArray()
java.lang.String
getDescription()
double
getMax()
double
getMin()
int
getN()
double
getSum()
java.lang.String
getSummaryAsString()
double
getValue(int index)
double
median()
double
midrange()
double
pearsonianSkewness()
Determines relationship between the mean and the median.double
sampleStandardDeviation()
double
sampleStandardUnit(double value)
double
sampleVariance()
void
setDescription(java.lang.String desc)
double
standardErrorOfMean()
double
sumDeviations()
java.lang.String
toString()
-
-
-
Field Detail
-
PLUS_MINUS
static final java.lang.String PLUS_MINUS
- See Also:
- Constant Field Values
-
-
Method Detail
-
addValue
void addValue(double d)
-
arithmeticMean
double arithmeticMean()
-
asSummary
java.lang.String asSummary()
-
coefficientOfVariation
double coefficientOfVariation()
Computes the coefficient of variation. Used to express standard deviation independent of units of measure.- Returns:
-
getDataAsDoubleArray
double[] getDataAsDoubleArray()
-
getData
java.util.List<java.lang.Double> getData()
-
getMax
double getMax()
-
getMin
double getMin()
-
getN
int getN()
-
getSum
double getSum()
-
getSummaryAsString
java.lang.String getSummaryAsString()
-
getValue
double getValue(int index)
-
median
double median()
-
midrange
double midrange()
-
pearsonianSkewness
double pearsonianSkewness()
Determines relationship between the mean and the median. This reflects how the data differs from the normal bell shaped distribution.- Returns:
-
sampleStandardDeviation
double sampleStandardDeviation()
-
sampleStandardUnit
double sampleStandardUnit(double value)
-
sampleVariance
double sampleVariance()
-
standardErrorOfMean
double standardErrorOfMean()
-
sumDeviations
double sumDeviations()
-
toString
java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
setDescription
void setDescription(java.lang.String desc)
-
getDescription
java.lang.String getDescription()
-
-