Changes the lab to use sklearn toolkit for knearest neighbors
Merge branch 'develop' into knns
Changes and updated the solutions
Merge branch 'develop' into knns
Rmoved big data
Merge pull request #339 from AZaitzeff/knns

Knns
Fixed aspect ratio on plots for correlation and covariance lab.
Merge pull request #341 from insertinterestingnamehere/corcov

Fixed aspect ratio on plots for correlation and covariance lab.