def kernel_director_linear_modular(fm_train_real=traindat,
fm_test_real=testdat,
scale=1.2):
from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer
from modshogun import Time
feats_train = RealFeatures(fm_train_real)
feats_train.io.set_loglevel(0)
feats_train.parallel.set_num_threads(1)
feats_test = RealFeatures(fm_test_real)
kernel = LinearKernel()
kernel.set_normalizer(AvgDiagKernelNormalizer(scale))
kernel.init(feats_train, feats_train)
dkernel = DirectorLinearKernel()
dkernel.set_normalizer(AvgDiagKernelNormalizer(scale))
dkernel.init(feats_train, feats_train)
print "km_train"
t = Time()
km_train = kernel.get_kernel_matrix()
t1 = t.cur_time_diff(True)
print "dkm_train"
t = Time()
dkm_train = dkernel.get_kernel_matrix()
t2 = t.cur_time_diff(True)
print "km_train", km_train
print "dkm_train", dkm_train
return km_train, dkm_train
def kernel_director_linear_modular (fm_train_real=traindat,fm_test_real=testdat,scale=1.2): from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer from modshogun import Time feats_train=RealFeatures(fm_train_real) feats_train.io.set_loglevel(0) feats_train.parallel.set_num_threads(1) feats_test=RealFeatures(fm_test_real) kernel=LinearKernel() kernel.set_normalizer(AvgDiagKernelNormalizer(scale)) kernel.init(feats_train, feats_train) dkernel=DirectorLinearKernel() dkernel.set_normalizer(AvgDiagKernelNormalizer(scale)) dkernel.init(feats_train, feats_train) print "km_train" t=Time() km_train=kernel.get_kernel_matrix() t1=t.cur_time_diff(True) print "dkm_train" t=Time() dkm_train=dkernel.get_kernel_matrix() t2=t.cur_time_diff(True) print "km_train", km_train print "dkm_train", dkm_train return km_train, dkm_train
def kernel_linear_byte_modular(fm_train_byte=traindat,fm_test_byte=testdat): from shogun.Kernel import LinearKernel from shogun.Features import ByteFeatures feats_train=ByteFeatures(fm_train_byte) feats_test=ByteFeatures(fm_test_byte) kernel=LinearKernel(feats_train, feats_train) km_train=kernel.get_kernel_matrix() kernel.init(feats_train, feats_test) km_test=kernel.get_kernel_matrix() return kernel
def kernel_linear_byte_modular(fm_train_byte=traindat,fm_test_byte=testdat): from shogun.Kernel import LinearKernel from shogun.Features import ByteFeatures feats_train=ByteFeatures(fm_train_byte) feats_test=ByteFeatures(fm_test_byte) kernel=LinearKernel(feats_train, feats_train) km_train=kernel.get_kernel_matrix() kernel.init(feats_train, feats_test) km_test=kernel.get_kernel_matrix() return kernel
def kernel_sparse_linear_modular(fm_train_real=traindat, fm_test_real=testdat, scale=1.1):
from shogun.Features import SparseRealFeatures
from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer
feats_train = SparseRealFeatures(fm_train_real)
feats_test = SparseRealFeatures(fm_test_real)
kernel = LinearKernel()
kernel.set_normalizer(AvgDiagKernelNormalizer(scale))
kernel.init(feats_train, feats_train)
km_train = kernel.get_kernel_matrix()
kernel.init(feats_train, feats_test)
km_test = kernel.get_kernel_matrix()
return km_train, km_test, kernel
def kernel_sparse_linear_modular (fm_train_real=traindat,fm_test_real=testdat,scale=1.1): from shogun.Features import SparseRealFeatures from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer feats_train=SparseRealFeatures(fm_train_real) feats_test=SparseRealFeatures(fm_test_real) kernel=LinearKernel() kernel.set_normalizer(AvgDiagKernelNormalizer(scale)) kernel.init(feats_train, feats_train) km_train=kernel.get_kernel_matrix() kernel.init(feats_train, feats_test) km_test=kernel.get_kernel_matrix() return km_train,km_test,kernel
def kernel_director_linear_modular(fm_train_real=traindat,
fm_test_real=testdat,
scale=1.2):
try:
from shogun.Kernel import DirectorKernel
except ImportError:
print "recompile shogun with --enable-swig-directors"
return
class DirectorLinearKernel(DirectorKernel):
def __init__(self):
DirectorKernel.__init__(self, True)
def kernel_function(self, idx_a, idx_b):
seq1 = self.get_lhs().get_feature_vector(idx_a)
seq2 = self.get_rhs().get_feature_vector(idx_b)
return numpy.dot(seq1, seq2)
from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer
from modshogun import Time
feats_train = RealFeatures(fm_train_real)
#feats_train.io.set_loglevel(MSG_DEBUG)
feats_train.parallel.set_num_threads(1)
feats_test = RealFeatures(fm_test_real)
kernel = LinearKernel()
kernel.set_normalizer(AvgDiagKernelNormalizer(scale))
kernel.init(feats_train, feats_train)
dkernel = DirectorLinearKernel()
dkernel.set_normalizer(AvgDiagKernelNormalizer(scale))
dkernel.init(feats_train, feats_train)
#print "km_train"
t = Time()
km_train = kernel.get_kernel_matrix()
#t1=t.cur_time_diff(True)
#print "dkm_train"
t = Time()
dkm_train = dkernel.get_kernel_matrix()
#t2=t.cur_time_diff(True)
#print "km_train", km_train
#print "dkm_train", dkm_train
return km_train, dkm_train
def kernel_linear_word_modular(fm_train_word=traindat, fm_test_word=testdat, scale=1.2):
from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer
from shogun.Features import WordFeatures
feats_train = WordFeatures(fm_train_word)
feats_test = WordFeatures(fm_test_word)
kernel = LinearKernel(feats_train, feats_train)
kernel.set_normalizer(AvgDiagKernelNormalizer(scale))
kernel.init(feats_train, feats_train)
km_train = kernel.get_kernel_matrix()
kernel.init(feats_train, feats_test)
km_test = kernel.get_kernel_matrix()
return kernel
def kernel_linear_word_modular (fm_train_word=traindat,fm_test_word=testdat,scale=1.2): from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer from shogun.Features import WordFeatures feats_train=WordFeatures(fm_train_word) feats_test=WordFeatures(fm_test_word) kernel=LinearKernel(feats_train, feats_train) kernel.set_normalizer(AvgDiagKernelNormalizer(scale)) kernel.init(feats_train, feats_train) km_train=kernel.get_kernel_matrix() kernel.init(feats_train, feats_test) km_test=kernel.get_kernel_matrix() return kernel
def linear (): print 'Linear' from shogun.Features import RealFeatures from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer feats_train=RealFeatures(fm_train_real) feats_test=RealFeatures(fm_test_real) scale=1.2 kernel=LinearKernel() kernel.set_normalizer(AvgDiagKernelNormalizer(scale)) kernel.init(feats_train, feats_train) km_train=kernel.get_kernel_matrix() kernel.init(feats_train, feats_test) km_test=kernel.get_kernel_matrix()
def kernel_director_linear_modular (fm_train_real=traindat,fm_test_real=testdat,scale=1.2): try: from shogun.Kernel import DirectorKernel except ImportError: print "recompile shogun with --enable-swig-directors" return class DirectorLinearKernel(DirectorKernel): def __init__(self): DirectorKernel.__init__(self, True) def kernel_function(self, idx_a, idx_b): seq1 = self.get_lhs().get_feature_vector(idx_a) seq2 = self.get_rhs().get_feature_vector(idx_b) return numpy.dot(seq1, seq2) from shogun.Kernel import LinearKernel, AvgDiagKernelNormalizer from modshogun import Time feats_train=RealFeatures(fm_train_real) #feats_train.io.set_loglevel(MSG_DEBUG) feats_train.parallel.set_num_threads(1) feats_test=RealFeatures(fm_test_real) kernel=LinearKernel() kernel.set_normalizer(AvgDiagKernelNormalizer(scale)) kernel.init(feats_train, feats_train) dkernel=DirectorLinearKernel() dkernel.set_normalizer(AvgDiagKernelNormalizer(scale)) dkernel.init(feats_train, feats_train) #print "km_train" t=Time() km_train=kernel.get_kernel_matrix() #t1=t.cur_time_diff(True) #print "dkm_train" t=Time() dkm_train=dkernel.get_kernel_matrix() #t2=t.cur_time_diff(True) #print "km_train", km_train #print "dkm_train", dkm_train return km_train, dkm_train
