fitNMDS: Fitting Resampled and Reciprocal NMDS Models

Description Usage Arguments Value See Also Examples

Put twin datasets into one object (a list of lists), or else combine a twin object into a merged list.

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twin(spe1, spe2, id1, id2, ...)

untwin(x, ...)

`spe1`	dataset 1 species matrix
`spe2`	dataset 2 species matrix
`id1`	dataset 1 environmental/identifier matrix
`id2`	dataset 2 environmental/identifier matrix
`...`	additional arguments passed to function
`x`	twin object

twin returns a list of two named items: 'z1' and 'z2', each of which is a list with two named items: 'spe' and 'id'
untwin returns a list with two named items: 'spe' and 'id'

nearestspecies to force same number of rows

data(smoky)
spe <- smoky$spe
env <- smoky$env
tw  <- twin(spe, spe, env, env)
utw <- untwin(tw)

# must have same number of rows per dataset:
## Not run: twin(spe, spe[3:9,], env, env[3:9,])