pearson
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|Varianz|$$\huge Varianz = s^2 = \frac{\sum_{i=1}^{n} (x_i - \bar{x})^2 }{n - 1}$$|
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|Standardabweichung|$$\huge Standardabbwichung = s = \sqrt{Varianz}$$|
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| Mittlere Absolute Abweichung | $$\huge \text{Mittlere Absolute Abweichung} = \frac{\sum_{i=1}^{n} \lvert x_i - \bar{x} \rvert}{n - 1}$$|
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|Pearson Korrelationskoeffizient|Zusammenhang zwischen zwei numerischen Variablen. $$\huge r = \frac{\sum_{i=1}^{n} (x_i - \bar{x})(y_i - \bar{y})}{(n - 1)\, s_x s_y}$$ <ul><li>$r \in [-1;1]$ </li><ul><li>1 stark positive Korrelation</li><li>0 keine Korrelation</li><li>-1 stark negative Korrelation</li></ul>|
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## Lineare Regression
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## Klassifikation
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## Unsupervised Learning Clustering
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