Description Usage Arguments Details Value Author(s) References See Also
The MATTOOLS function mat.jump optimizes the value of for a given number of analogs and modern dataset.
1 | mat.jump(dObj, inModern, envColumn, cutoff = 0, calib = T)
|
dObj |
List: A Dissimilarity Object from the mat.dissim function. |
inModern |
Dataframe: The modern dataset with column(s) representing environmental values at each modern sample site. |
envColumn |
Numeric: The number of the column with the environmental values to be reconstructed. |
cutoff |
Numeric: The critical value of dissimilarity based on a priori knowledge or determined via mat.roc or mat.mc functions |
calib |
Logical: T for modern calibration (default). If F then it is assumed that a set of fossil assemblages are being tested. |
With a cutoff > 0, only pairwise complete observations are used.
A LIST with the following components:
alpha |
Numeric: optimal alpha value. |
alphacor |
Datatable: two columns, alpha and correlation. |
...
Professor Michael Sawada
SAWADA, M. 2006. An open-source implementation of the modern analog technique (MAT) within the R computing environment. Computers and Geosciences, Vol 32(6):818-833, DOI information: 10.1016/j.cageo.2005.10.008
mat.jumprecon
, mat.plotjump
,mat.dissim
,
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