Fortify a "mataMDS" object.

Fortifies an object of class "metaMDS" to produce a data frame of the selected axis scores in long format, suitable for plotting with ggplot.

# S3 method for metaMDS
fortify(model, data, ...)

Arguments

model

an object of class "metaMDS", the result of a call to metaMDS.

data

currently ignored.

...

additional arguments passed to scores.metaMDS. Note you can't use display.

Value

A data frame in long format containing the ordination scores. The first two components are the axis scores.

Details

TODO

Author

Gavin L. Simpson

Examples

## load example data
data(dune)

ord <- metaMDS(dune)
#> Run 0 stress 0.1192678 
#> Run 1 stress 0.1192678 
#> ... Procrustes: rmse 3.703359e-05  max resid 0.0001138414 
#> ... Similar to previous best
#> Run 2 stress 0.1192679 
#> ... Procrustes: rmse 5.508179e-05  max resid 0.0001604151 
#> ... Similar to previous best
#> Run 3 stress 0.1183186 
#> ... New best solution
#> ... Procrustes: rmse 0.02027046  max resid 0.06496315 
#> Run 4 stress 0.1183186 
#> ... New best solution
#> ... Procrustes: rmse 5.643524e-06  max resid 1.765415e-05 
#> ... Similar to previous best
#> Run 5 stress 0.1808911 
#> Run 6 stress 0.1183186 
#> ... Procrustes: rmse 3.604315e-06  max resid 1.201824e-05 
#> ... Similar to previous best
#> Run 7 stress 0.1192678 
#> Run 8 stress 0.1886532 
#> Run 9 stress 0.1808911 
#> Run 10 stress 0.1192678 
#> Run 11 stress 0.1183186 
#> ... Procrustes: rmse 9.713054e-07  max resid 3.177083e-06 
#> ... Similar to previous best
#> Run 12 stress 0.1183186 
#> ... Procrustes: rmse 6.211937e-06  max resid 2.017492e-05 
#> ... Similar to previous best
#> Run 13 stress 0.1183186 
#> ... Procrustes: rmse 2.197547e-06  max resid 5.86895e-06 
#> ... Similar to previous best
#> Run 14 stress 0.1192679 
#> Run 15 stress 0.1183186 
#> ... Procrustes: rmse 2.673278e-05  max resid 8.196247e-05 
#> ... Similar to previous best
#> Run 16 stress 0.1192678 
#> Run 17 stress 0.1183186 
#> ... Procrustes: rmse 5.37186e-06  max resid 1.493921e-05 
#> ... Similar to previous best
#> Run 18 stress 0.1192679 
#> Run 19 stress 0.1192679 
#> Run 20 stress 0.1183186 
#> ... Procrustes: rmse 5.349388e-06  max resid 1.625857e-05 
#> ... Similar to previous best
#> *** Best solution repeated 8 times
head(fortify(ord))
#>   score label       NMDS1      NMDS2
#> 1 sites     1 -0.84055052 -0.7158230
#> 2 sites     2 -0.50485325 -0.4089361
#> 3 sites     3 -0.08267127 -0.4366745
#> 4 sites     4 -0.11562689 -0.5222374
#> 5 sites     5 -0.62654535 -0.0866940
#> 6 sites     6 -0.54270079  0.1131546