Exemplos de HessianLocallyLinearEmbedding em Python

Exemplo n.º 1

def preprocessor_hessianlocallylinearembedding_modular(data, k):
    from shogun.Features import RealFeatures
    from shogun.Preprocessor import HessianLocallyLinearEmbedding

    features = RealFeatures(data)

    preprocessor = HessianLocallyLinearEmbedding()
    preprocessor.set_target_dim(1)
    preprocessor.set_k(k)
    preprocessor.apply_to_feature_matrix(features)

    return features

Exemplo n.º 2

Arquivo: preprocessor_hessianlocallylinearembedding_modular.py Projeto: sploving/shogun

def preprocessor_hessianlocallylinearembedding_modular(data,k):
	from shogun.Features import RealFeatures
	from shogun.Preprocessor import HessianLocallyLinearEmbedding
	
	features = RealFeatures(data)
		
	preprocessor = HessianLocallyLinearEmbedding()
	preprocessor.set_target_dim(1)
	preprocessor.set_k(k)
	preprocessor.apply_to_feature_matrix(features)

	return features

Exemplo n.º 3

Arquivo: swissroll.py Projeto: sploving/shogun

lmds.set_landmark_number(20)
preprocs.append((lmds,"LMDS with %d landmarks" % lmds.get_landmark_number()))

from shogun.Preprocessor import ClassicIsomap
cisomap = ClassicIsomap()
cisomap.set_k(9)
preprocs.append((cisomap,"K-Isomap with k=%d" % cisomap.get_k()))

from shogun.Preprocessor import LandmarkIsomap
lisomap = LandmarkIsomap()
lisomap.set_landmark_number(500)
lisomap.set_k(9)
preprocs.append((lisomap,"K-LIsomap with k=%d, %d landmarks" % (lisomap.get_k(),lisomap.get_landmark_number())))

from shogun.Preprocessor import HessianLocallyLinearEmbedding
hlle = HessianLocallyLinearEmbedding()
hlle.set_k(6)
preprocs.append((hlle,"Hessian LLE with k=%d" % (hlle.get_k())))

from shogun.Preprocessor import LocalTangentSpaceAlignment
ltsa = LocalTangentSpaceAlignment()
ltsa.set_k(6)
preprocs.append((ltsa,"LTSA with k=%d" % (ltsa.get_k())))

from shogun.Preprocessor import LaplacianEigenmaps
le = LaplacianEigenmaps()
le.set_k(15)
le.set_tau(25.0)
preprocs.append((le,"Laplacian Eigenmaps with k=%d, tau=%d" % (le.get_k(),le.get_tau())))

import matplotlib.pyplot as plt

Exemplo n.º 4

preprocs.append((lmds, "LMDS with %d landmarks" % lmds.get_landmark_number()))

from shogun.Preprocessor import ClassicIsomap
cisomap = ClassicIsomap()
cisomap.set_k(9)
preprocs.append((cisomap, "K-Isomap with k=%d" % cisomap.get_k()))

from shogun.Preprocessor import LandmarkIsomap
lisomap = LandmarkIsomap()
lisomap.set_landmark_number(500)
lisomap.set_k(9)
preprocs.append((lisomap, "K-LIsomap with k=%d, %d landmarks" %
                 (lisomap.get_k(), lisomap.get_landmark_number())))

from shogun.Preprocessor import HessianLocallyLinearEmbedding
hlle = HessianLocallyLinearEmbedding()
hlle.set_k(6)
preprocs.append((hlle, "Hessian LLE with k=%d" % (hlle.get_k())))

from shogun.Preprocessor import LocalTangentSpaceAlignment
ltsa = LocalTangentSpaceAlignment()
ltsa.set_k(6)
preprocs.append((ltsa, "LTSA with k=%d" % (ltsa.get_k())))

from shogun.Preprocessor import LaplacianEigenmaps
le = LaplacianEigenmaps()
le.set_k(15)
le.set_tau(25.0)
preprocs.append(
    (le, "Laplacian Eigenmaps with k=%d, tau=%d" % (le.get_k(), le.get_tau())))