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MathPHP
Statistics
Regression
Methods
LeastSquares
residuals
MathPHP\Statistics\Regression\Methods\LeastSquares::residuals PHP Method
LeastSquares Trait Documentation
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Open project: markrogoyski/math-php
residuals()
public
method
Get the regression residuals eᵢ = yᵢ - ŷᵢ or in matrix form e = (I - H)y
public
residuals
( ) :
array
return
array
public function residuals() : array { return Multi::subtract($this->reg_ys, $this->reg_Yhat); }
LeastSquares
CI
DFFITS
FProbability
FStatistic
PI
coefficientOfDetermination
cooksD
correlationCoefficient
createDesignMatrix
degreesOfFreedom
errorSD
getProjectionMatrix
leastSquares
leverages
meanSquareRegression
meanSquareResidual
meanSquareTotal
r
r2
regressionVariance
residuals
standardErrors
sumOfSquaresRegression
sumOfSquaresResidual
sumOfSquaresTotal
tProbability
tValues