updated the link to the official documentation
work on clustering section
add some subsections separators
wording
reorganizing notes and adding a scikit-learn oriented complement to the supervised learn flow diagram
remove section on density estimation
started work on linearly separable data
added takeway points section
cosmit
various improvements
typo
various cosmits / wording
typo / wording
section on regression models
section on overfitting and the train / test split
removing confusing section + slight reorg
wording
wording
work on text feature extraction doc
one more check in the setup