Univariate statistics provide information on a single variable. They summarise and reveal patterns in that variable. In Source, the variable used to calculate statistics is a time series result. Statistics are calculated in Results Manger on the Statistics tab, see Chart Statistics.
The types of univariate statistics available in Source are described in Table 1.
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The standard deviation (s) measures the amount by which values in the time series vary from the mean. It is defined as:
Equation 1 |
Where:
x is the value of time series x at time step i
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The skew measures the degree of asymmetry of a distribution around its mean. It is defined as:
Equation 2 |
Where all terms are defined in Equation 1.
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