A tetrahedron version of the Ternary chart. Allows for 4 variables.

For interpreting MDS solutions it is crucial to assess to what extent we are observing structure in the data instead of noise posing as structure. The use of Kruskal's "stress" has been criticized for this purpose, as this measure was conceived fo...

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....

Data is becoming ever more both high dimensional and sparse. Kernel PCA can enable a reliable and relatively simple dimensionality reduction. Kernels have already been introduced in Xlstat via SVMs.

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

Very useful when I need to understand relationships between 2 or 3 samples. And it would prevent me from spending hours on PowerPoint ! Thanks

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

L'Abbé plot can be useful to assess heterogeneity in a meta-analysis Funnel plot can be useful to assess for bias in a meta-analysis