Example #1
0
    def test_eq_ne_shallow_copy(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}

        w = Weights(dom, dim)
        w2 = Weights(dom, dim)
        self.assertTrue(w == w2)
        self.assertFalse(w != w2)
Example #2
0
 def test_eq_ne_deep_copy(self):
     dom = {0:2, 1:1}        
     dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}
     w = Weights(dom, dim)
     dom2 = {0:(4.0/3), 1:(2.0/3)}
     dim2 = {0:{0:0.5, 1:0.5}, 1:{2:0.6, 3:0.4}}
     w2 = Weights(dom2, dim2)
     self.assertTrue(w == w2)
     self.assertFalse(w != w2)
Example #3
0
 def test_eq_ne_different_weights(self):
     dom = {0:2, 1:1}        
     dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}
     w = Weights(dom, dim)
     dom2 = {0:1, 1:1}        
     dim2 = {0:{0:0.5, 1:0.5}, 1:{2:0.5, 3:0.5}}
     w2 = Weights(dom2, dim2)
     self.assertTrue(w != w2)
     self.assertFalse(w == w2)
Example #4
0
 def test_project_3_dom_to_2(self):
     dom = {0:2, 1:1, 2:3}        
     dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}, 2:{4:1}}
     w = Weights(dom, dim)
     
     dom_res = {0:2, 2:3}
     dim_res = {0:{0:1, 1:1}, 2:{4:1}}
     w_res = Weights(dom_res, dim_res)
     
     self.assertEqual(w.project_onto({0:[0,1], 2:[4]}), w_res)
Example #5
0
 def test_project_2_dom_to_1(self):
     dom = {0:2, 1:1}        
     dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}
     w = Weights(dom, dim)
     
     dom_res = {0:1}
     dim_res = {0:{0:1, 1:1}}
     w_res = Weights(dom_res, dim_res)
     
     self.assertEqual(w.project_onto({0:[0,1]}), w_res)
Example #6
0
def one_shot(point, supercategory='none'):
    #todo find lowest concept
    '''print(point)'''
    for concept in space._concepts:
        '''print(concept)
        print('membership:')
        print(space._concepts[concept].membership_of(point))
        print()'''
    if supercategory=='none':
        superkey = max(space._concepts,key= lambda candidate:space._concepts[candidate].membership_of(point))
    else:
        superkey = supercategory
    
    supercategory = space._concepts[superkey]
    avg = lambda values: sum(values)/len(values) if len(values) else float('inf')
    #print([[cuboid._p_max[dim]-cuboid._p_min[dim] for cuboid in supercategory._core._cuboids if not cuboid._p_max[dim]==float('inf')]for dim in range(space._n_dim)])
    avg_sizes=[avg([cuboid._p_max[dim]-cuboid._p_min[dim] for cuboid in supercategory._core._cuboids if not cuboid._p_max[dim]==float('inf')]) for dim in range(space._n_dim)]
    print('supercategory is:')
    print(superkey)
    print(avg_sizes)
    print()
    p_min = [point[i]-1/2*avg_sizes[i] for i in range(space._n_dim)]
    p_max = [point[i]+1/2*avg_sizes[i] for i in range(space._n_dim)]
    cuboid=Cuboid(p_min, p_max, space._domains)#not working in bigger examples
    core=Core([cuboid],space._domains)
    weights=Weights(space._def_dom_weights,space._def_dim_weights)
    concept=Concept(core, 1.0, 0.5, weights)
    return concept
Example #7
0
    def test_eq_ne_identity(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}

        w = Weights(dom, dim)
        self.assertTrue(w == w)
        self.assertFalse(w != w)
Example #8
0
    def test_add_concept_correct(self):
        space.init(4, {0: [0, 1], 1: [2, 3]})
        s = Core([Cuboid([1, 2, 3, 4], [3, 4, 5, 6], {
            0: [0, 1],
            1: [2, 3]
        })], {
            0: [0, 1],
            1: [2, 3]
        })
        dom = {0: 2, 1: 1}
        dim = {0: {0: 1, 1: 1}, 1: {2: 3, 3: 2.0}}
        w = Weights(dom, dim)

        f = Concept(s, 0.5, 2.0, w)

        space.add_concept(42, f)
        self.assertTrue(42 in space._concepts)
        self.assertEqual(space._concepts[42], f)
        self.assertFalse(42 in space._concept_colors)

        space.add_concept(43, f, 'r')
        self.assertTrue(43 in space._concepts)
        self.assertEqual(space._concepts[43], f)
        self.assertTrue(43 in space._concept_colors)
        self.assertEqual(space._concept_colors[43], 'r')
Example #9
0
    def test_constructor_fine_uniform(self):
        dom = {0:1, 1:1}        
        dim = {0:{0:0.5, 1:0.5}, 1:{2:0.5, 3:0.5}}

        w = Weights(dom, dim)        
        
        self.assertEqual(w._domain_weights, dom)
        self.assertEqual(w._dimension_weights, dim)
Example #10
0
    def test_constructor_fine_change(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}

        w = Weights(dom, dim)   
        dom_new = {0:4.0/3, 1:2.0/3}
        dim_new = {0:{0:0.5, 1:0.5}, 1:{2:0.6, 3:0.4}}
        
        self.assertEqual(w._domain_weights, dom_new)
        self.assertEqual(w._dimension_weights, dim_new)
Example #11
0
def point_to_concept2(point, name, size=100000, weights=[]):
    domains = domains_from_point(point)
    p_min = [-size for value in point]
    p_max = [size for value in point]
    c_example = Cuboid(p_min, p_max, domains)
    s_example = Core([c_example], domains)
    if not weights:
        weights = space._def_dom_weights
    w_example = Weights(weights, space._def_dim_weights)
    concept = Concept(s_example, 1.0, C, w_example)
    space.add_concept(name, concept)
    return concept
Example #12
0
    def test_distance_illegal_point(self):
        n = 4
        domains = {0: [0, 1], 1: [2, 3]}
        space.init(n, domains)

        dom = {0: 1, 1: 1}
        dim = {0: {0: 0.5, 1: 0.5}, 1: {2: 0.5, 3: 0.5}}
        w = Weights(dom, dim)

        x = [1, 2, 3, 4]
        y = [5, 6, 7]
        with self.assertRaises(Exception):
            space.distance(x, y, w)
Example #13
0
    def test_distance_unit_diff_identically_weighted(self):
        n = 4
        domains = {0: [0, 1], 1: [2, 3]}
        space.init(n, domains)

        dom = {0: 1, 1: 1}
        dim = {0: {0: 0.5, 1: 0.5}, 1: {2: 0.5, 3: 0.5}}
        w = Weights(dom, dim)

        x = [1, 2, 3, 4]
        y = [2, 3, 2, 3]  # distance of 1 wrt each coordinate
        self.assertEqual(space.distance(x, y, w), 2.0)
        self.assertEqual(space.distance(x, y, w), space.distance(y, x, w))
Example #14
0
def point_to_concept(point, name, weights=[]):
    domains = domains_from_point(point)
    p_min = [
        value if not value == float('inf') else float('-inf')
        for value in point
    ]
    c_example = Cuboid(p_min, point, domains)
    s_example = Core([c_example], domains)
    if not weights:
        weights = space._def_dom_weights
    w_example = Weights(weights, space._def_dim_weights)
    concept = Concept(s_example, 1.0, C, w_example)
    space.add_concept(name, concept)
    return concept
Example #15
0
    def test_distance_other_diff_identically_weighted(self):
        n = 4
        domains = {0: [0, 1], 1: [2, 3]}
        space.init(n, domains)

        dom = {0: 1, 1: 1}
        dim = {0: {0: 0.5, 1: 0.5}, 1: {2: 0.5, 3: 0.5}}
        w = Weights(dom, dim)

        x = [1, 2, 3, 4]
        y = [2, 0, 2, 2]  # difference: 1 2 1 2
        self.assertEqual(space.distance(x, y, w),
                         sqrt(0.5 * 1 + 0.5 * 4) + sqrt(0.5 * 1 + 0.5 * 4))
        self.assertEqual(space.distance(x, y, w), space.distance(y, x, w))
Example #16
0
    def test_distance_other_diff_differently_weighted(self):
        n = 4
        domains = {0: [0, 1], 1: [2, 3]}
        space.init(n, domains)

        dom = {0: 2, 1: 1}
        dim = {0: {0: 1, 1: 1}, 1: {2: 3, 3: 2.0}}
        w = Weights(dom, dim)

        x = [1, 2, 3, 4]
        y = [2, 0, 2, 2]  # difference: 1 2 1 2
        self.assertEqual(space.distance(x, y, w),
                         (4.0 / 3) * sqrt(0.5 * 1 + 0.5 * 4) +
                         (2.0 / 3) * sqrt(0.6 * 1 + 0.4 * 4))
        self.assertEqual(space.distance(x, y, w), space.distance(y, x, w))
Example #17
0
def family_into_space(name, values, add=True):
    cuboids = []
    domains = {}
    for point in values:
        subdomains = point_to_domains(point)
        cuboids.append(
            Cuboid([dim if not dim == float('inf') else -dim for dim in point],
                   point, subdomains))
        domains.update(subdomains)

    core = from_cuboids(cuboids, domains)
    weights = Weights(space._def_dom_weights, space._def_dim_weights)
    concept = Concept(core, 1.0, C, weights)
    if add:
        space.add_concept(name, concept)
    return concept
Example #18
0
    def test_merge_three_to_one_same_doms(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}
        w = Weights(dom, dim)

        dom2 = {0:1, 1:1}        
        dim2 = {0:{0:0.5, 1:0.5}, 1:{2:0.5, 3:0.5}}
        w2 = Weights(dom2, dim2)
        
        dom_res = {0:1.25, 1:0.75}
        dim_res = {0:{0:0.5, 1:0.5}, 1:{2:0.575, 3:0.42500000000000004}} # weird rounding error in python!
        w_res = Weights(dom_res, dim_res)
        
        self.assertEqual(w.merge_with(w2, 0.75, 0.75), w_res)
        self.assertEqual(w.merge_with(w2, 0.75, 0.75), w2.merge_with(w, 0.25, 0.25))        
Example #19
0
    def test_merge_overlapping_doms(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}
        w = Weights(dom, dim)

        dom2 = {1:1, 2:2}        
        dim2 = {1:{2:0.5, 3:0.5}, 2:{4:1, 5:1, 6:2}}
        w2 = Weights(dom2, dim2)
        
        dom_res = {0:(4.0)/3, 1:(2.0)/3, 2:4.0/3}
        dim_res = {0:{0:0.5, 1:0.5}, 1:{2:0.55, 3:0.45}, 2:{4:0.25, 5:0.25, 6:0.5}}
        w_res = Weights(dom_res, dim_res)

        self.assertEqual(w.merge_with(w2), w_res)
        self.assertEqual(w.merge_with(w2), w2.merge_with(w))        
Example #20
0
    def test_merge_different_doms(self):
        dom = {1:1}        
        dim = {1:{2:3, 3:2.0}}
        w = Weights(dom, dim)

        dom2 = {0:1}        
        dim2 = {0:{0:0.5, 1:0.5}}
        w2 = Weights(dom2, dim2)
        
        dom_res = {0:1, 1:1}
        dim_res = {0:{0:0.5, 1:0.5}, 1:{2:0.6, 3:0.4}}
        w_res = Weights(dom_res, dim_res)

        self.assertEqual(w.merge_with(w2), w_res)
        self.assertEqual(w.merge_with(w2), w2.merge_with(w))        
Example #21
0
    def test_merge_fifty_fifty_same_doms(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}
        w = Weights(dom, dim)

        dom2 = {0:1, 1:1}        
        dim2 = {0:{0:0.5, 1:0.5}, 1:{2:0.5, 3:0.5}}
        w2 = Weights(dom2, dim2)
        
        dom_res = {0:(7.0/6.0), 1:(5.0/6.0)}
        dim_res = {0:{0:0.5, 1:0.5}, 1:{2:0.55, 3:0.45}}
        w_res = Weights(dom_res, dim_res)

        self.assertEqual(w.merge_with(w2), w_res)
        self.assertEqual(w.merge_with(w2), w2.merge_with(w))        
Example #22
0
        ordered_dict[concepts[example]['supercategory']]=[example]
for category in ordered_dict:
    print('putting',category,'into space')
    cuboids=[]
    domains = {}
    for example in ordered_dict[category]:
        if not is_consistent(concepts[example]):
            print(example,' is inconsistent')
        else:
            subdomains={domain:space._domains[domain] for domain in concepts[example] if not domain == 'supercategory'}
            point=[concepts[example].get(domain,{str(key):float("inf") for key in range(len(space._domains[domain]))}).values() for domain in space._domains]
            point=[p for dom in point for p in dom]
            #print(example)
            #print('point: ',point)
            cuboids.append(Cuboid([dim if not dim==float('inf') else -dim for dim in point], point, subdomains))
            domains.update(subdomains)
            #print(cuboids[-1]._p_max)
    #for cuboid in cuboids:
        #print('cuboid:',cuboid)
    core=from_cuboids(cuboids,domains)
    weights=Weights(space._def_dom_weights,space._def_dim_weights)
    concept=Concept(core, 1.0, 0.5, weights)
    space.add_concept(category,concept,'orange')
    
    
        #print(space._concepts[concept].membership_of([p if not p==float('-inf') else 0 for p in p_min]))
        #print(space._concepts[concept].membership_of(p_max))
            #print(bear.subset_of(space._concepts[concept]))
'''print('amphibian:')
print(space._concepts['amphibian'])'''
ci.init()
Example #23
0
from cs.weights import Weights
from cs.cuboid import Cuboid
from cs.core import Core
from cs.concept import Concept
import visualization.concept_inspector as ci

# define the conceptual space
domains = {"color": [0], "taste": [1, 2]}
dimension_names = ["hue", "sour", "sweet"]
space.init(3, domains, dimension_names)

# define red property
c_red = Cuboid([0.7, float("-inf"), float("-inf")],
               [1.0, float("inf"), float("inf")], {"color": [0]})
s_red = Core([c_red], {"color": [0]})
w_red = Weights({"color": 1.0}, {"color": {0: 1.0}})
red = Concept(s_red, 1.0, 40.0, w_red)
space.add_concept("red", red, 'r')

# define yellow property
c_yellow = Cuboid([0.4, float("-inf"), float("-inf")],
                  [0.6, float("inf"), float("inf")], {"color": [0]})
s_yellow = Core([c_yellow], {"color": [0]})
w_yellow = Weights({"color": 1.0}, {"color": {0: 1.0}})
yellow = Concept(s_yellow, 1.0, 40.0, w_yellow)
space.add_concept("yellow", yellow, 'y')

# define green property
c_green = Cuboid([0.0, float("-inf"), float("-inf")],
                 [0.3, float("inf"), float("inf")], {"color": [0]})
s_green = Core([c_green], {"color": [0]})
Example #24
0
def two_cubs_PCA(point, sibblings, learn_weights=False):
    #sibbling is list of sibbling names or dict with sibbling names as keys
    #We can play around with artificial_scaling to see the effect of arbitrary generalization (<1 does not really mean more specific, but rather just smaller/conservative)
    artificial_scaling = 1
    n_dims = len(point)
    if sibblings == None:
        #not implemented for some reason
        sibblings = get_sibblings(supercategory)
    variances = []
    pc1s = []
    #correlations=[]
    examples_x_stds = []  #Matrix examples x stds
    avg = np.average  #lambda values: sum(values)/len(values)
    allcenters = []
    for sibbling in sibblings:
        #centers of all cuboids of the sibbling concept
        centers = np.array([[
            (p_max + p_min) / 2
            for p_max, p_min in zip(cuboid._p_max, cuboid._p_min)
        ] for cuboid in space._concepts[sibbling]._core._cuboids])
        #throw away concepts with less than 2 cuboids (not happening with dataset)
        if len(centers) > 1:
            allcenters.append(centers)
            #Centers are translated to data cloud that has std=1 in every dimension. stds remembers the multiplicative(eng?) part of the reverse operation
            #as simpler version compared to regression
            stds, data = normalize_to_standard_score(centers)
            examples_x_stds.append(stds)
            #np.cov input: rows=dimensions, columns=observations!! (very likely to produce error down the line if done wrong though)
            #np.linalg.eig output: values=eigenvalues, vectors=eigenvectors in columns!! (no error when done wrong because square matrix!)
            values, vectors = np.linalg.eig(np.cov(data.T))
            #the first PC has unit length so multiplying it with std lets it have (euclidean) length=std (in direction of largest var)
            pc1s.append(
                np.array(vectors[:, np.argmax(values)]) *
                (max(values)**(1 / 2)))

    #The sign of a whole PC is only meaningfull in relation to the other PCs, so we assume that all first PCs point in a somewhat similar direction. Size is ignored.
    pc1s = brush_vectors(np.array(pc1s))
    #makes signs point in a direction so that the size dimension still correlate with each other over all examples
    pc1s = brush_to_size(pc1s)

    #A dimension of a PC that is zero because the original values where all undefined is considered uninformative, since examples
    #that have an undefined value lead to a concept with no variance in that dimension anyways
    meanpc = []
    for dimension, dimindex in zip(pc1s.T, range(len(pc1s.T))):
        #all meaningfull values of the 1st PCs of all known concepts in a single dimension
        cleanvalues = []
        for value, conceptindex in zip(dimension, range(len(dimension))):
            #print([np.isnan(examplevalue[dimindex]) for examplevalue in allcenters[conceptindex]])
            #print(conceptindex)
            if not value == 0:
                cleanvalues.append(value)
            #a variance of 0 in a certain dimension in the first PC can be due to all known examples of a category being undefined in that dimension
            #the other way round this implies that some values have not been included because of the wrong reasons beforehand
            elif not all([
                    np.isnan(examplesvalues[dimindex])
                    for examplesvalues in allcenters[conceptindex]
            ]):
                cleanvalues.append(value)

        if len(cleanvalues):
            #quite some information is lost in this step (PCs canceling out each other because of wrong reasons), but we need to generalize
            meanpc.append(sum(cleanvalues) / len(cleanvalues))
        else:
            #Should not happen, since uninformative dimensions have already been kicked out. If it happens anyways, zero  is actually the correct value
            #(i.e. no variance in dim with only undefined values)
            meanpc.append(0)

    meanstds = np.average(examples_x_stds, axis=0)

    #for some reason i=0 happens quite often, although the docu promises that real values are used in these cases
    meanpc = [np.real(val) for val in meanpc]

    #We have our background knowledge. Nice! Multiplying with the mean 'size' in each dimension is improvable (multiplicative part of regression would be better)
    learnt_vector = meanstds * meanpc

    #start building our new concept
    cub1 = np.zeros(n_dims)
    cub2 = np.zeros(n_dims)

    for dim in range(n_dims):
        #point as central region, multiply by two to reverse taking center of cuboids
        cub1[dim] = point[dim] - learnt_vector[dim] * 2 * artificial_scaling
        cub2[dim] = point[dim] + learnt_vector[dim] * 2 * artificial_scaling

    c1_p_min = [
        cub1[dim] if cub1[dim] < point[dim] else
        float('-inf') if point[dim] == float('inf') else point[dim]
        for dim in range(n_dims)
    ]
    c1_p_max = [
        cub1[dim] if cub1[dim] > point[dim] else point[dim]
        for dim in range(n_dims)
    ]

    c2_p_min = [
        cub2[dim] if cub2[dim] < point[dim] else
        float('-inf') if point[dim] == float('inf') else point[dim]
        for dim in range(n_dims)
    ]
    c2_p_max = [
        cub2[dim] if cub2[dim] > point[dim] else point[dim]
        for dim in range(n_dims)
    ]

    domains = domains_from_point(c1_p_max)
    core = Core([
        Cuboid(c1_p_min, c1_p_max, domains),
        Cuboid(c2_p_min, c2_p_max, domains)
    ], domains)

    if not learn_weights:
        dom_weights = space._def_dom_weights
    else:
        #dramatically improves performance, but seems unfair to compare to classes with meaningless weights
        dom_weights = {}
        for domain in domain_mapping:
            variance = np.average(
                [abs(meanpc[dim]) for dim in domain_mapping[domain]]) + 0.1
            dom_weights[domain] = (1 / variance)**100

    weights = Weights(dom_weights, space._def_dim_weights)

    concept = Concept(core, 1.0, C, weights)

    return concept
Example #25
0
    def test_between_soft_4D4dom(self):
        space.init(4, {0: [0], 1: [1], 2: [2], 3: [3]})
        first = [0, 0, 0, 0]
        middle1 = [0.5, 1, 0.5, 0.75]
        middle2 = [0.5, 1, 1, 1.5]
        middle3 = [0.5, 0.5, 1, 1.5]
        middle4 = [0.5, 1, 1, 3.5]
        middle5 = [2, 3, 4, 5]
        second = [1, 2, 2, 3]
        dom = {0: 2, 1: 1, 2: 1, 3: 3}
        dim = {0: {0: 1}, 1: {1: 1}, 2: {2: 1}, 3: {3: 1}}
        w = Weights(dom, dim)
        self.assertAlmostEqual(
            space.between(first, middle1, second, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(first, middle2, second, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(first, middle3, second, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(first, middle4, second, method="soft"),
            0.8888888888888888)
        self.assertAlmostEqual(
            space.between(first, middle5, second, method="soft"), 0.4)
        self.assertAlmostEqual(
            space.between(second, middle1, first, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(second, middle2, first, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(second, middle3, first, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(second, middle4, first, method="soft"),
            0.8888888888888888)
        self.assertAlmostEqual(
            space.between(second, middle5, first, method="soft"), 0.4)

        self.assertAlmostEqual(
            space.between(first, middle1, second, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(first, middle2, second, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(first, middle3, second, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(first, middle4, second, weights=w, method="soft"),
            0.833333333)
        self.assertAlmostEqual(
            space.between(first, middle5, second, weights=w, method="soft"),
            0.405405405)
        self.assertAlmostEqual(
            space.between(second, middle1, first, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(second, middle2, first, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(second, middle3, first, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(second, middle4, first, weights=w, method="soft"),
            0.833333333)
        self.assertAlmostEqual(
            space.between(second, middle5, first, weights=w, method="soft"),
            0.405405405)
Example #26
0
    def test_between_soft_4D1dom(self):
        space.init(4, {0: [0, 1, 2, 3]})
        first = [0, 0, 0, 0]
        middle1 = [0.5, 1, 0.5, 0.75]
        middle2 = [0.5, 1, 1, 1.5]
        middle3 = [0.5, 0.5, 1, 1.5]
        middle4 = [0.5, 1, 1, 3.5]
        middle5 = [2, 3, 4, 5]
        second = [1, 2, 2, 3]
        dom = {0: 1}
        dim = {0: {0: 1, 1: 1, 2: 3, 3: 2.0}}
        w = Weights(dom, dim)
        self.assertAlmostEqual(
            space.between(first, middle1, second, method="soft"), 0.972566185)
        self.assertAlmostEqual(
            space.between(first, middle2, second, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(first, middle3, second, method="soft"), 0.978828304)
        self.assertAlmostEqual(
            space.between(first, middle4, second, method="soft"), 0.787274206)
        self.assertAlmostEqual(
            space.between(first, middle5, second, method="soft"), 0.403647878)
        self.assertAlmostEqual(
            space.between(second, middle1, first, method="soft"), 0.972566185)
        self.assertAlmostEqual(
            space.between(second, middle2, first, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(second, middle3, first, method="soft"), 0.978828304)
        self.assertAlmostEqual(
            space.between(second, middle4, first, method="soft"), 0.787274206)
        self.assertAlmostEqual(
            space.between(second, middle5, first, method="soft"), 0.403647878)

        self.assertAlmostEqual(
            space.between(first, middle1, second, weights=w, method="soft"),
            0.981903451)
        self.assertAlmostEqual(
            space.between(first, middle2, second, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(first, middle3, second, weights=w, method="soft"),
            0.987543202)
        self.assertAlmostEqual(
            space.between(first, middle4, second, weights=w, method="soft"),
            0.784485287)
        self.assertAlmostEqual(
            space.between(first, middle5, second, weights=w, method="soft"),
            0.388549374)
        self.assertAlmostEqual(
            space.between(second, middle1, first, weights=w, method="soft"),
            0.981903451)
        self.assertAlmostEqual(
            space.between(second, middle2, first, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(second, middle3, first, weights=w, method="soft"),
            0.987543202)
        self.assertAlmostEqual(
            space.between(second, middle4, first, weights=w, method="soft"),
            0.784485287)
        self.assertAlmostEqual(
            space.between(second, middle5, first, weights=w, method="soft"),
            0.388549374)
Example #27
0
    def test_between_soft_4D2dom(self):
        space.init(4, {0: [0, 1], 1: [2, 3]})
        first = [0, 0, 0, 0]
        middle1 = [0.5, 1, 0.5, 0.75]
        middle2 = [0.5, 1, 1, 1.5]
        middle3 = [0.5, 0.5, 1, 1.5]
        middle4 = [0.5, 1, 1, 3.5]
        middle5 = [2, 3, 4, 5]
        second = [1, 2, 2, 3]
        dom = {0: 2, 1: 1}
        dim = {0: {0: 1, 1: 1}, 1: {2: 3, 3: 2.0}}
        w = Weights(dom, dim)
        self.assertAlmostEqual(
            space.between(first, middle1, second, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(first, middle2, second, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(first, middle3, second, method="soft"), 0.991147026)
        self.assertAlmostEqual(
            space.between(first, middle4, second, method="soft"), 0.835214212)
        self.assertAlmostEqual(
            space.between(first, middle5, second, method="soft"), 0.409900333)
        self.assertAlmostEqual(
            space.between(second, middle1, first, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(second, middle2, first, method="soft"), 1.0)
        self.assertAlmostEqual(
            space.between(second, middle3, first, method="soft"), 0.991147026)
        self.assertAlmostEqual(
            space.between(second, middle4, first, method="soft"), 0.835214212)
        self.assertAlmostEqual(
            space.between(second, middle5, first, method="soft"), 0.409900333)

        self.assertAlmostEqual(
            space.between(first, middle1, second, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(first, middle2, second, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(first, middle3, second, weights=w, method="soft"),
            0.9870214460987412)
        self.assertAlmostEqual(
            space.between(first, middle4, second, weights=w, method="soft"),
            0.8845584238298809)
        self.assertAlmostEqual(
            space.between(first, middle5, second, weights=w, method="soft"),
            0.4148810445825626)
        self.assertAlmostEqual(
            space.between(second, middle1, first, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(second, middle2, first, weights=w, method="soft"),
            1.0)
        self.assertAlmostEqual(
            space.between(second, middle3, first, weights=w, method="soft"),
            0.9870214460987412)
        self.assertAlmostEqual(
            space.between(second, middle4, first, weights=w, method="soft"),
            0.8845584238298809)
        self.assertAlmostEqual(
            space.between(second, middle5, first, weights=w, method="soft"),
            0.4148810445825626)
Example #28
0
from cs.core import Core
from cs.concept import Concept
import visualization.concept_inspector as ci

# define the conceptual space
domains = {"color": [0], "shape": [1], "taste": [2]}
dimension_names = ["hue", "round", "sweet"]
space.init(3, domains, dimension_names)

# standard weights for the dimensions within each domain
w_dim = {"color": {0: 1}, "shape": {1: 1}, "taste": {2: 1}}

# define pear concept
c_pear = Cuboid([0.5, 0.4, 0.35], [0.7, 0.6, 0.45], domains)
s_pear = Core([c_pear], domains)
w_pear = Weights({"color": 0.50, "shape": 1.25, "taste": 1.25}, w_dim)
pear = Concept(s_pear, 1.0, 24.0, w_pear)
space.add_concept("pear", pear, 'g')

# define orange concept
c_orange = Cuboid([0.8, 0.9, 0.6], [0.9, 1.0, 0.7], domains)
s_orange = Core([c_orange], domains)
w_orange = Weights({"color": 1.0, "shape": 1.0, "taste": 1.0}, w_dim)
orange = Concept(s_orange, 1.0, 30.0, w_orange)
space.add_concept("orange", orange, 'orange')

# define lemon concept
c_lemon = Cuboid([0.7, 0.45, 0.0], [0.8, 0.55, 0.1], domains)
s_lemon = Core([c_lemon], domains)
w_lemon = Weights({"color": 0.5, "shape": 0.5, "taste": 2.0}, w_dim)
lemon = Concept(s_lemon, 1.0, 40.0, w_lemon)
Example #29
0
def concepts_into_space(concepts, domains={}, except_for=None, colors=['b','g','r','c','m','brown','rosybrown','darkslategrey','pink','grey']):
    if except_for:
        for concept in list(concepts.keys()):
            if concepts[concept]['supercategory']==except_for:
                del(concepts[concept])
                
    ordered_dict={}
    for example in concepts:
        if concepts[example]['supercategory'] in ordered_dict:
            ordered_dict[concepts[example]['supercategory']].append(example)
        else:
            ordered_dict[concepts[example]['supercategory']]=[example]
    '''for key in ordered_dict:
        print(key)'''
    #ordered_dict={'mammal':ordered_dict['mammal']}
    #print(ordered_dict)
    
    colors=iter(colors)
    concept_colors={}
    if(domains=={}):
        for concept in concepts.values():
            domains.update(concept)
        del(domains['supercategory'])
    #domains = mapping: domain->dimension indices
    domain_mapping = {}
    i=0
    for key in domains:
        domain_mapping[key]=list(range(i,i+len(domains[key])))
        i+=len(domains[key])

    dimension_names = []
    for domain in domains.values():
        dimension_names += [dim for dim in domain.keys()]
    space.init(len(dimension_names),domain_mapping,dimension_names)
    
    for category in ordered_dict:
        print('putting',category,'into space')
        cuboids=[]
        domains = {}
        for example in ordered_dict[category]:
            if not is_consistent(concepts[example]):
                print(example,' is inconsistent')
            else:
                subdomains={domain:space._domains[domain] for domain in concepts[example] if not domain == 'supercategory'}
                point=[concepts[example].get(domain,{str(key):float("inf") for key in range(len(space._domains[domain]))}).values() for domain in space._domains]
                point=[p for dom in point for p in dom]
                #print(example)
                #print('point: ',point)
                cuboids.append(Cuboid([dim if not dim==float('inf') else -dim for dim in point], point, subdomains))
                domains.update(subdomains)
                #print(cuboids[-1]._p_max)
        #for cuboid in cuboids:
            #print('cuboid:',cuboid)
        core=from_cuboids(cuboids,domains)
        weights=Weights(space._def_dom_weights,space._def_dim_weights)
        concept=Concept(core, 1.0, 0.5, weights)
        space.add_concept(category,concept,next(colors))
        
    animal_concept=[]
    for concept in space._concepts.values():
        animal_concept+=concept._core._cuboids
    #print('animal cubs:\n',animal_concept)
    core=from_cuboids(animal_concept,space._domains)
    weights=Weights(space._def_dom_weights,space._def_dim_weights)
    concept=Concept(core, 1.0, 0.5, weights)
    space.add_concept('animal',concept,next(colors))
Example #30
0
    def test_merge_identity(self):
        dom = {0:2, 1:1}        
        dim = {0:{0:1, 1:1}, 1:{2:3, 3:2.0}}

        w = Weights(dom, dim)
        self.assertEqual(w.merge_with(w), w)