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korrekturen formel regression und SSR

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git-sandro 2026-01-29 10:31:27 +01:00
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@ -91,7 +91,7 @@ $$
2. *c* Wert berechnen 2. *c* Wert berechnen
$$ $$
c = \frac{\sum_y * \sum_x - \sum_x * \sum_{xy}}{n(\sum_{x^2}) - (\sum_x)^2} \\[1em] c = \frac{\sum_y * \sum_{x^2} - \sum_x * \sum_{xy}}{n(\sum_{x^2}) - (\sum_x)^2} \\[1em]
c = \frac{20 * 55 - 15 * 69}{5*55 - 15^2} = 1.3 c = \frac{20 * 55 - 15 * 69}{5*55 - 15^2} = 1.3
$$ $$
@ -157,7 +157,7 @@ $$
3. SSR berechnen 3. SSR berechnen
$$ $$
SSR = \sum_{i=1}^{n} \hat{y}_i-\tilde{y})^2 SSR = \sum_{i=1}^{n} (\hat{y}_i-\tilde{y})^2
$$ $$
$$ $$
SSR = (2.2-4)^2+(3.1-4)^2+(4-4)^2+(4.9-4)^2+(5.8-4)^2 = 8.1 SSR = (2.2-4)^2+(3.1-4)^2+(4-4)^2+(4.9-4)^2+(5.8-4)^2 = 8.1
@ -384,5 +384,4 @@ $$
silhouette \ coefficient \ A1=s(A1)=\frac{(5.333 — 1.825)}{5.333}=0.658 silhouette \ coefficient \ A1=s(A1)=\frac{(5.333 — 1.825)}{5.333}=0.658
$$ $$
4. Durchschnittlicher Silhouette Koeffizient 4. Durchschnittlicher Silhouette Koeffizient
Berechne den durchschnittlichen Silhouettenkoeffizienten über alle Datenpunkte hinweg, um den Gesamtsilhouettenwert für das Clustering-Ergebnis zu erhalten...