alg-over-data1\4fold1.png ..............\4fold2.png ..............\4fold3.png ..............\4fold4.png ..............\data1knearst.asv ..............\findingk.asv ..............\findingk.m ..............\knearst.asv ..............\knearst.m ..............\TT.mat ..............\XT.mat alg-over-data1