= To find k nearest neighbors of a new instance
= Please watch my explanation of how KNN works: xxx
= - For classification it uses majority vote
= - For regression it finds the mean (average)
= Copyright (C) 2014
= @author Dr Noureddin Sadawi
= This program is free software: you can redistribute it and/or modify it as you wish ONLY for legal and ethical purposes
= I ask you only, as a professional courtesy, to cite my name, web page and my YouTube Channel!