Plik:Correlation examples2.svg

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Several sets of (x, y) points, with the Pearson correlation coefficient of x and y for each set. Note that the correlation reflects the noisiness and direction of a linear relationship (top row), but not the slope of that relationship (middle), nor many aspects of nonlinear relationships (bottom). N.B.: the figure in the center has a slope of 0 but in that case the correlation coefficient is undefined because the variance of Y is zero.

https://en.wikipedia.org/wiki/Correlation_and_dependence#/media/File:Correlation_examples2.svg

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Data i czasMiniaturaWymiaryUżytkownikOpis
aktualny10:49, 2 mar 2017Miniatura wersji z 10:49, 2 mar 2017506 × 231 (2,18 MB)Durka (dyskusja | edycje)Several sets of (x, y) points, with the Pearson correlation coefficient of x and y for each set. Note that the correlation reflects the noisiness and direction of a linear relationship (top row), but not the slope of that relationship (middle), nor man...

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