## Interface StatisticalMultivariateSummary

• All Known Implementing Classes:
MultivariateSummaryStatistics, SynchronizedMultivariateSummaryStatistics

public interface StatisticalMultivariateSummary
Reporting interface for basic multivariate statistics.
Since:
1.2
• ### Method Summary

All Methods
Modifier and Type Method Description
RealMatrix getCovariance()
Returns the covariance of the available values.
int getDimension()
Returns the dimension of the data.
double[] getGeometricMean()
Returns an array whose ith entry is the.
double[] getMax()
Returns an array whose ith entry is the.
double[] getMean()
Returns an array whose ith entry is the.
double[] getMin()
Returns an array whose ith entry is the.
long getN()
Returns the number of available values.
double[] getStandardDeviation()
Returns an array whose ith entry is the.
double[] getSum()
Returns an array whose ith entry is the.
double[] getSumLog()
Returns an array whose ith entry is the.
double[] getSumSq()
Returns an array whose ith entry is the.
• ### Method Detail

• #### getDimension

int getDimension()
Returns the dimension of the data.
Returns:
The dimension of the data
• #### getMean

double[] getMean()
Returns an array whose ith entry is the. mean of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component means
• #### getCovariance

RealMatrix getCovariance()
Returns the covariance of the available values.
Returns:
The covariance, null if no multivariate sample have been added or a zeroed matrix for a single value set.
• #### getStandardDeviation

double[] getStandardDeviation()
Returns an array whose ith entry is the. standard deviation of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component standard deviations
• #### getMax

double[] getMax()
Returns an array whose ith entry is the. maximum of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component maxima
• #### getMin

double[] getMin()
Returns an array whose ith entry is the. minimum of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component minima
• #### getN

long getN()
Returns the number of available values.
Returns:
The number of available values
• #### getGeometricMean

double[] getGeometricMean()
Returns an array whose ith entry is the. geometric mean of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component geometric means
• #### getSum

double[] getSum()
Returns an array whose ith entry is the. sum of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component sums
• #### getSumSq

double[] getSumSq()
Returns an array whose ith entry is the. sum of squares of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component sums of squares
• #### getSumLog

double[] getSumLog()
Returns an array whose ith entry is the. sum of logs of the ith entries of the arrays that correspond to each multivariate sample
Returns:
the array of component log sums