Python LongIntFeatures.get_feature_matrix Exemples

Exemple #1

Fichier : features_simple_modular.py Projet : pombredanne/rqpersonalsvn

def features_simple_modular(A=matrixA, B=matrixB, C=matrixC):

    a = RealFeatures(A)
    b = LongIntFeatures(B)
    c = ByteFeatures(C)

    # or 16bit wide ...
    #feat1 = f.ShortFeatures(N.zeros((10,5),N.short))
    #feat2 = f.WordFeatures(N.zeros((10,5),N.uint16))

    # print some statistics about a

    # get first feature vector and set it

    a.set_feature_vector(array([1, 4, 0, 0, 0, 9], dtype=float64), 0)

    # get matrices
    a_out = a.get_feature_matrix()
    b_out = b.get_feature_matrix()
    c_out = c.get_feature_matrix()

    assert (all(a_out == A))

    assert (all(b_out == B))

    assert (all(c_out == C))
    return a_out, b_out, c_out, a, b, c

Exemple #2

Fichier : features_simple_modular.py Projet : AsherBond/shogun

def features_simple_modular(A=matrixA,B=matrixB,C=matrixC):

    a=RealFeatures(A)
    b=LongIntFeatures(B)
    c=ByteFeatures(C)
    
# or 16bit wide ...
#feat1 = f.ShortFeatures(N.zeros((10,5),N.short))
#feat2 = f.WordFeatures(N.zeros((10,5),N.uint16))


# print some statistics about a

# get first feature vector and set it

    a.set_feature_vector(array([1,4,0,0,0,9], dtype=float64), 0)

# get matrices
    a_out = a.get_feature_matrix()
    b_out = b.get_feature_matrix()
    c_out = c.get_feature_matrix()

    assert(all(a_out==A))

    assert(all(b_out==B))

    assert(all(c_out==C))
    return a_out,b_out,c_out,a,b,c

Exemple #3

def features_dense_longint_modular(A=matrix):
    a = LongIntFeatures(A)
    # get first feature vector and set it

    a.set_feature_vector(array([1, 4, 0, 0, 0, 9], dtype=int64), 0)

    # get matrix
    a_out = a.get_feature_matrix()

    assert (all(a_out == A))
    return a_out

Exemple #4

Fichier : features_dense_longint_modular.py Projet : AlexBinder/shogun

def features_dense_longint_modular (A=matrix):
	a=LongIntFeatures(A)
	# get first feature vector and set it

	a.set_feature_vector(array([1,4,0,0,0,9], dtype=int64), 0)

	# get matrix
	a_out = a.get_feature_matrix()

	assert(all(a_out==A))
	return a_out

Exemple #5

Fichier : features_simple_longint_modular.py Projet : memimo/shogun-liblinear

from shogun.Features import LongIntFeatures
from numpy import array, int64, all

# create dense matrix A
A=array([[1,2,3],[4,0,0],[0,0,0],[0,5,0],[0,0,6],[9,9,9]], dtype=int64)

# ... of type LongInt
a=LongIntFeatures(A)

# print some statistics about a
print a.get_num_vectors()
print a.get_num_features()

# get first feature vector and set it
print a.get_feature_vector(0)
a.set_feature_vector(array([1,4,0,0,0,9], dtype=int64), 0)

# get matrix
a_out = a.get_feature_matrix()

print type(a_out), a_out.dtype
print a_out 
assert(all(a_out==A))

Exemple #6

Fichier : features_simple_modular.py Projet : memimo/shogun-liblinear

# or 16bit wide ...
#feat1 = f.ShortFeatures(N.zeros((10,5),N.short))
#feat2 = f.WordFeatures(N.zeros((10,5),N.uint16))


# print some statistics about a
print a.get_num_vectors()
print a.get_num_features()

# get first feature vector and set it
print a.get_feature_vector(0)
a.set_feature_vector(array([1,4,0,0,0,9], dtype=float64), 0)

# get matrices
a_out = a.get_feature_matrix()
b_out = b.get_feature_matrix()
c_out = c.get_feature_matrix()

print type(a_out), a_out.dtype
print a_out 
assert(all(a_out==A))

print type(b_out), b_out.dtype
print b_out 
assert(all(b_out==B))

print type(c_out), c_out.dtype
print c_out 
assert(all(c_out==C))