機器學習技法第一次作業
阿新 • • 發佈:2019-01-03
import os import random import math os.chdir('D:/developEnvironment/libsvm-3.20/python') from svmutil import * trainfile='E:/ML/Taiwan_ML/homework2/15/train0.txt' gamaArr=[0,0,0,0,0] for time in range(0,100): acc=0 n_acc=0 print(str(time)+"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!") for i in range(0,5): parameter='-c 0.1 -g '+str(math.pow(10,i)) y, x = svm_read_problem(trainfile) yt=list() xt=list() for j in range(0,1000): index=random.randint(0,len(x)-1) yt.append(y[index]) xt.append(x[index]) del y[index] del x[index] model = svm_train(y, x, parameter) p_label, p_acc, p_val = svm_predict(yt, xt, model) if(p_acc[0]>acc): acc=p_acc[0] n_acc=i print(parameter) print(p_acc[0]) print(acc) print(n_acc) gamaArr[n_acc]=gamaArr[n_acc]+1 print(gamaArr)