Correction on one quiz in B02La_reg_multi

One quiz question was not displayed because of multiple similar answers.

Small change in one exercice template

Small change in the template of an exercise in B01Lb_reglin1. No impact on the exercices themselves.

Switch form {learndown} to {learnitdown}

v2021.0.0

Move from {learndown} to {learnitdown} and start 2021 series

Tutorial B08La_mfa added

v2020.9.0

Revision of B08La_mfa

Bug correction on B07a_pca (second attempt)

chart$() does not work when a release is installed from BioDatascience::run(). This is a work-around.

Bug correction in B07La_pca

v2020.8.1

new version of BioDataScience2

Tutorial B07La_pca added

A new version 2 tutorial on PCA is now proposed.

B06Lc_som

Tutorial on self-organising maps (SOM) in version 2

Tutorial B06Lb_mds added

Tutorial about metric and non metric MDS now ready in version 2

B06La_kmeans added

Tutorial for k-means clustering added in version 2.