Description Usage Arguments Value
This function calculates predictor variable (drop) contributions in GDM model.
Variable contributions are calculated by the loss in explained deviance in the GDM model, when dropping each individual predictor variable at a time.
It requires a combined site pair dataset ("spData" format) and the optional use of geographical distance as predictor variable in the GDM.
For more details relating to "spData" data format, check gdm
package.
1 | gdm.varcont(spData, geo = FALSE)
|
spData |
Combined site pair dataset ("spData" format). |
geo |
Optional use of geographical distance as predictor in GDM model. Set to |
Returns variable contribution in percentage
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