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### Instructions

## Exercise 3931. Points 2, theme: Spatial Correlation and Regression |
Open exercise |

The example data in the SDC Local Correlation module are the long term mean durability of snow cover and long term mean annual precipitation amount in Estonian meteorological stations.

- In which regions is the local correlation between these variables positive and where negative?
- Interpret the climatological meaning of these relationships.

- This exercise is about correlation not about autocorrelation.
- A spatial relationship can be distance dependent and or location dependent. Coordinates of observation sites are used for filtering out local samples for calculating the local value of a correlation index. Spatial correlation in a strict sense takes into account spatial lag between sites where variables are measured.
- The climatological meaning of both positive and negative values is expected.

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