Confidence ellipses in pca illustrate the dissociation of groups and aid in the recognition of trends.

MDS is a form of a PCA- often used in sensory science. The MDS uses the input of a similarity/dissimilarity matrix to obtain a 2-D visualization of the similarities and differences between products/subjects based on their proximity to one another ...

The sensory scientists and the food industry.

It is useful in terms of crossvalidating the results and is implemented in other software

Looking for a functions that performs Tukey's transformation (as it does in r but for larger than 5000 data sets) to identify the best transformation to normalize data for parametric analyses. This would eliminate the guesswork and save everyone t...

ma proposition est dans le titre. par ailleurs, je pense que vous devriez vous adapter à la mise en ligne en version gratuite de certains logiciel tels que SAS....

ARIMA model with possibility of adding external variables, this is a great forecast method. Can you add this model=

For nonlinear regressions add Akaike Information Criteria for finite samples goodness of fit