What is new

07.01.2016

• Changes in Factors and groups section explaining new behaviour of statistical methods (which now calculates statistics for each column of a dataset both for normal mode and when factors are used to group the data rows).

23.11.2015

• Description of a new option 'Groupby' for scatter() and plot() methods as well as a new option 'ShowContour'for scatter() and gscatter() methods has been added to the section Group plots (see last part of the section).
• Examples on how these new properties can be used with PCA scores plot can be found at the end of the PCA chapter.

20.11.2015

• Description of new method, biplot() is added to the PCA chapter.
• New chapter — “Projection on latent structures”.
• Small improvements in the tutorial's text

18.11.2015

• From this version onward a change log will be available in this file.
• Small improvements in the text of Introduction.
• Outline is updated and now shows all future (not available yet) chapters as well.
• New chapter — “Multiple linear regression”.