示例#1
0
def main():
    X1_train, X2_train, Y_train, X1_test, X2_test, Y_test = davis_data.setting2_split()
    learner = KronRLS(X1 = X1_train, X2 = X2_train, Y = Y_train)
    log_regparams = range(15, 35)
    for log_regparam in log_regparams:
        learner.solve(2.**log_regparam)
        P = learner.predict(X1_test, X2_test)
        perf = cindex(Y_test, P)
        print("regparam 2**%d, cindex %f" %(log_regparam, perf))
示例#2
0
def main():
    X1_train, X2_train, Y_train, X1_test, X2_test, Y_test = davis_data.settingB_split()
    learner = KronRLS(X1 = X1_train, X2 = X2_train, Y = Y_train)
    log_regparams = range(15, 35)
    for log_regparam in log_regparams:
        learner.solve(2.**log_regparam)
        P = learner.predict(X1_test, X2_test)
        perf = cindex(Y_test, P)
        print("regparam 2**%d, cindex %f" %(log_regparam, perf))
示例#3
0
def main():
    X1, X2, Y = davis_data.load_davis()
    Y = Y.ravel(order='F')
    learner = KronRLS(X1 = X1, X2 = X2, Y = Y)
    log_regparams = range(15, 35)
    for log_regparam in log_regparams:
        learner.solve(2.**log_regparam)
        P = learner.in_sample_loo()
        perf = cindex(Y, P)
        print("regparam 2**%d, cindex %f" %(log_regparam, perf))
示例#4
0
def main():
    X1_train, X2_train, Y_train, X1_test, X2_test, Y_test = davis_data.settingD_split()
    kernel1 = GaussianKernel(X1_train, gamma=0.01)
    kernel2 = GaussianKernel(X2_train, gamma=10**-9)
    K1_train = kernel1.getKM(X1_train)
    K1_test = kernel1.getKM(X1_test)
    K2_train = kernel2.getKM(X2_train)
    K2_test = kernel2.getKM(X2_test)
    learner = KronRLS(K1 = K1_train, K2 = K2_train, Y = Y_train)
    log_regparams = range(-15, 15)
    for log_regparam in log_regparams:
        learner.solve(2.**log_regparam)
        P = learner.predict(K1_test, K2_test)
        perf = cindex(Y_test, P)
        print("regparam 2**%d, cindex %f" %(log_regparam, perf))