org.forester.util
Interface DescriptiveStatistics
- All Known Implementing Classes:
- BasicDescriptiveStatistics
public interface DescriptiveStatistics
PLUS_MINUS
static final String PLUS_MINUS
- See Also:
- Constant Field Values
addValue
void addValue(double d)
arithmeticMean
double arithmeticMean()
asSummary
String asSummary()
coefficientOfVariation
double coefficientOfVariation()
- Computes the coefficient of variation. Used to express standard deviation
independent of units of measure.
- Returns:
getDataAsDoubleArray
double[] getDataAsDoubleArray()
getMax
double getMax()
getMin
double getMin()
getN
int getN()
getSum
double getSum()
getSummaryAsString
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
String toString()
- Overrides:
toString
in class Object