double function ( ) { return new Variance ( ) . evaluate ( yVector . toArray ( ) ) ; }
calculates the variance of the y values . concode_field_sep boolean noIntercept concode_elem_sep RealMatrix xMatrix concode_elem_sep RealVector yVector concode_field_sep boolean isNoIntercept concode_elem_sep double calculateErrorVariance concode_elem_sep void setNoIntercept concode_elem_sep double estimateErrorVariance concode_elem_sep RealVector calculateResiduals concode_elem_sep double estimateRegressandVariance concode_elem_sep double[][] estimateRegressionParametersVariance concode_elem_sep RealMatrix calculateBetaVariance concode_elem_sep void newYSampleData concode_elem_sep void newXSampleData concode_elem_sep void newSampleData concode_elem_sep double[] estimateResiduals concode_elem_sep RealMatrix getX concode_elem_sep void validateSampleData concode_elem_sep RealVector getY concode_elem_sep void validateCovarianceData concode_elem_sep double estimateRegressionStandardError concode_elem_sep RealVector calculateBeta concode_elem_sep double[] estimateRegressionParameters concode_elem_sep double[] estimateRegressionParametersStandardErrors