| category |
PHPExcel |
| package |
PHPExcel_Shared_Trend |
| copyright |
Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) |
Methods
Define the regression and calculate the goodness of fit for a set of X and Y data values
__construct(float[] $yValues, float[] $xValues, boolean $const)
Parameters
$yValues
float[]The set of Y-values for this regression
$xValues
float[]The set of X-values for this regression
$const
boolean
getBestFitType()
getBestFitType()
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getBestFitType() |
getCorrelation()
getCorrelation($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getCorrelation() |
Parameters
$dp
getCovariance()
getCovariance($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getCovariance() |
Parameters
$dp
getDFResiduals()
getDFResiduals($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getDFResiduals() |
Parameters
$dp
Return the Equation of the best-fit line
getEquation(int $dp) : string
Parameters
$dp
intNumber of places of decimal precision to display
Returns
string
getError()
getError()
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getError() |
getF()
getF($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getF() |
Parameters
$dp
Return the goodness of fit for this regression
getGoodnessOfFit(int $dp) : float
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getGoodnessOfFit() |
Parameters
$dp
intNumber of places of decimal precision to return
Returns
float
getGoodnessOfFitPercent()
getGoodnessOfFitPercent($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getGoodnessOfFitPercent() |
Parameters
$dp
Return the Value of X where it intersects Y = 0
getIntersect(int $dp) : string
Parameters
$dp
intNumber of places of decimal precision to display
Returns
string
Return the standard error of the Intersect
getIntersectSE(int $dp) : string
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getIntersectSE() |
Parameters
$dp
intNumber of places of decimal precision to display
Returns
string
getSSRegression()
getSSRegression($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getSSRegression() |
Parameters
$dp
getSSResiduals()
getSSResiduals($dp)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getSSResiduals() |
Parameters
$dp
Return the Slope of the line
getSlope(int $dp) : string
Parameters
$dp
intNumber of places of decimal precision to display
Returns
string
Return the standard error of the Slope
getSlopeSE(int $dp) : string
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getSlopeSE() |
Parameters
$dp
intNumber of places of decimal precision to display
Returns
string
Return the standard deviation of the residuals for this regression
getStdevOfResiduals(int $dp) : float
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getStdevOfResiduals() |
Parameters
$dp
intNumber of places of decimal precision to return
Returns
float
Return the X-Value for a specified value of Y
getValueOfXForY(float $yValue) : float
Parameters
Returns
floatX-Value
Return the Y-Value for a specified value of X
getValueOfYForX(float $xValue) : float
Parameters
Returns
floatY-Value
Return the original set of X-Values
getXValues() : float[]
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getXValues() |
Returns
float[]X-Values
getYBestFitValues()
getYBestFitValues()
Inherited
| inherited_from |
\PHPExcel_Best_Fit::getYBestFitValues() |
_calculateGoodnessOfFit()
_calculateGoodnessOfFit($sumX, $sumY, $sumX2, $sumY2, $sumXY, $meanX, $meanY, $const)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::_calculateGoodnessOfFit() |
Parameters
$sumX
$sumY
$sumX2
$sumY2
$sumXY
$meanX
$meanY
$const
_leastSquareFit()
_leastSquareFit($yValues, $xValues, $const)
Inherited
| inherited_from |
\PHPExcel_Best_Fit::_leastSquareFit() |
Parameters
$yValues
$xValues
$const
Execute the regression and calculate the goodness of fit for a set of X and Y data values
_exponential_regression(float[] $yValues, float[] $xValues, boolean $const)
Parameters
$yValues
float[]The set of Y-values for this regression
$xValues
float[]The set of X-values for this regression
$const
boolean
Properties
$_DFResiduals
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_DFResiduals |
$_F
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_F |
$_SSRegression
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_SSRegression |
$_SSResiduals
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_SSResiduals |
$_Xoffset
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_Xoffset |
$_Yoffset
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_Yoffset |
$_adjustToZero : boolean
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_adjustToZero |
$_correlation
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_correlation |
$_covariance
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_covariance |
$_error : boolean
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_error |
$_goodnessOfFit
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_goodnessOfFit |
$_intersect
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_intersect |
$_intersectSE
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_intersectSE |
$_slope
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_slope |
$_slopeSE
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_slopeSE |
$_stdevOfResiduals
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_stdevOfResiduals |
$_valueCount : int
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_valueCount |
$_xValues : float[]
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_xValues |
$_yBestFitValues : float[]
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_yBestFitValues |
$_yValues : float[]
Inherited
| inherited_from |
\PHPExcel_Best_Fit::$$_yValues |