Bivariate statistical evaluation

Trends and fluctuations can have different causes. These can be simply understood through their relationship to other water quality parameters by 

Extreme values make a great difference to correlation coefficients. The linear interrelationship between two variables can be described functionally by a straight-line regression curve. However, this type of description does not always lead to satisfactory results, because deviations from the 

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Statistical dimensions number of variables (manifest or latent) taken into account in evaluation. Statistical dimensions define the type of data handling and evaluation, e.g. univariate, bivariate, multivariate... 

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