Description Usage Arguments Details Value See Also Examples
Wrapper function for dimensionality estimation methods
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dmat |
vectorized dissimilarity matrix, or m x n matrix of n vectorized dissimilarity matrices epsratio convergence criterion. Leave default = NULL for method specific defaults: dimest.cv = .001, dimest.R2 = .1 mds.control list of smacofSym parameters: type, defaults to "ordinal"; itmax, defaults to 1000 |
Wrapper function for dimest.cv and dimest.R2. Detects which method to use based on whether dmat argument is a matrix, for dimest.cv, or a vector, for dimest.R2. The epsratio is set automatically to the default of whichever method is chosen, but can be manually overridden. The smacof multidimensional scaling type defaults to ordinal for dealing with ordinal human ratings or neural pattern dissimilarity matrices with global components.
ndim estimated number of dimensions cv.cor for dimest.cv, vector of mean crossvalidated correlations between mds configurations and left out data r2 for dimest.R2, R-squared of configuration with ndim dimensions
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