stats

type ChiSquareTestResult struct {
	ChiSquare float64
	PValue    float64
	Df        int
}

type CorrelationMethod int

type FTestResult struct {
	FValue float64
	PValue float64
	Df1    int
	Df2    int
}

type LinearRegressionResult struct {
	Slope            float64   // 斜率
	Intercept        float64   // 截距
	Residuals        []float64 // 殘差
	Rsquared         float64   // R-squared
	AdjustedRsquared float64   // 調整後的 R-squared
	StandardError    float64   // 標準誤差
	TValue           float64   // t 值
	Pvalue           float64   // p 值
}

type OneWayANOVAResult struct {
	SSB     float64 // Between-group Sum of Squares
	SSW     float64 // Within-group Sum of Squares
	FValue  float64 // F-value
	PValue  float64 // P-value
	DFB     int     // Between-group Degrees of Freedom
	DFW     int     // Within-group Degrees of Freedom
	TotalSS float64 // Total Sum of Squares
}

type TTestResult struct {
	TValue float64 // t 值
	PValue float64 // p 值
	Df     int     // 自由度
}

type TwoWayANOVAResult struct {
	SSA      float64 // Factor A Sum of Squares
	SSB      float64 // Factor B Sum of Squares
	SSAB     float64 // Interaction Sum of Squares
	SSW      float64 // Within-group Sum of Squares
	FAValue  float64 // F-value for Factor A
	FBValue  float64 // F-value for Factor B
	FABValue float64 // F-value for interaction
	PAValue  float64 // P-value for Factor A
	PBValue  float64 // P-value for Factor B
	PABValue float64 // P-value for interaction
	DFA      int     // Degrees of Freedom for Factor A
	DFB      int     // Degrees of Freedom for Factor B
	DFAxB    int     // Degrees of Freedom for interaction
	DFW      int     // Degrees of Freedom within groups
	TotalSS  float64 // Total Sum of Squares
}