test only
initialize
basic KNN
matplootlib can not show pic
add ignore file
Change the file constructor
update @0804
1. create label in matpoltlib
2. create legend
verfied the autoNorm func
verified autoNorm Func
add test function
prediction function done and verified
ch02 done
create k-tree
create a treeplotter
p47
latest
pass with retrive(0)
pass with retriveTree(1)
latest
change file structure