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MathPHP
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LeastSquares
degreesOfFreedom
MathPHP\Statistics\Regression\Methods\LeastSquares::degreesOfFreedom PHP Method
LeastSquares Trait Documentation
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Open project: markrogoyski/math-php
degreesOfFreedom()
public
method
The degrees of freedom of the regression
public
degreesOfFreedom
( ) :
number
return
number
public function degreesOfFreedom() { return $this->ν; }
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