Create yifan

first iteration, k=1 and numeric
Merge pull request #59 from liyifan5923013/patch-2

Create yifan
homework_4 not yet complete
merging hw branch
Garon's crude little knn file.  Elegant code to come later.
Merge pull request #60 from reevesgl/master

Garon's crude little knn file.  Elegant code to come later.
tom's solution. don't look yet
Merge branch 'master' of https://github.com/ajschumacher/gadsdc1
added comparison between feature scaling & plain KNN
add starter for elevator pitch
starter file; very brief
starter for whole classifier task
starter for cross-val
Adding ML_KNN homework
Merge pull request #61 from pgrimm52/master

Adding ML_KNN homework
use another method for working with double-apply
use another method for working with double-apply
my homework
merge
HW complete and tested for 1NN