Merge branch 'master' of https://github.com/rupnikj/qminer
Merge branch 'master' of https://github.com/rupnikj/qminer
Add la.standardize function in linalg.js
Add R square evaluation measure to evaluation.js.
Minor changes in evaluation.js functions (extra input parameters - previous version still works).
Bugfix in evaluation.js
Add optional parameter ref_num to evaluation functions.
Merge branch 'master' of https://github.com/qminer/qminer
Merge pull request #46 from bkazic/master

Modified evaluation metrics. Online R squared score added. Standardize function in linalg.js