Package org.forester.util
Interface DescriptiveStatistics
- All Known Implementing Classes:
 BasicDescriptiveStatistics
public interface DescriptiveStatistics
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Field Summary
Fields - 
Method Summary
Modifier and TypeMethodDescriptionvoidaddValue(double d) doubledoubleComputes the coefficient of variation.getData()double[]doublegetMax()doublegetMin()intgetN()doublegetSum()doublegetValue(int index) doublemedian()doublemidrange()doubleDetermines relationship between the mean and the median.doubledoublesampleStandardUnit(double value) doublevoidsetDescription(String desc) doubledoubletoString() 
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Field Details
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PLUS_MINUS
- See Also:
 
 
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Method Details
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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:
 
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getDataAsDoubleArray
double[] getDataAsDoubleArray() - 
getData
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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:
 
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sampleStandardDeviation
double sampleStandardDeviation() - 
sampleStandardUnit
double sampleStandardUnit(double value)  - 
sampleVariance
double sampleVariance() - 
standardErrorOfMean
double standardErrorOfMean() - 
sumDeviations
double sumDeviations() - 
toString
String toString() - 
setDescription
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getDescription
String getDescription() 
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