Esempio n. 1
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    def testLast(self):
        clst1 = DPCluster(0.5, self.mu1, self.sig)
        clst3 = DPCluster(0.5, self.mu1 + 3, self.sig)
        clst5 = DPCluster(0.5, self.mu1 + 5, self.sig)
        clst7 = DPCluster(0.5, self.mu1 + 7, self.sig)
        clst2 = DPCluster(0.5, self.mu2 + 2, self.sig)
        clst4 = DPCluster(0.5, self.mu2 + 4, self.sig)
        clst6 = DPCluster(0.5, self.mu2 + 6, self.sig)
        clst8 = DPCluster(0.5, self.mu2 + 8, self.sig)

        mix = DPMixture([clst1, clst2, clst3, clst4, clst5, clst6, clst7, clst8], niter=4)

        new_r = mix.last()
        assert len(new_r.clusters) == 2
        assert all(new_r.clusters[0].mu == clst7.mu)
        assert all(new_r.clusters[1].mu == clst8.mu)

        new_r = mix.last(2)
        assert len(new_r.clusters) == 4
        assert all(new_r.clusters[0].mu == clst5.mu)
        assert all(new_r.clusters[1].mu == clst6.mu)
        assert all(new_r.clusters[2].mu == clst7.mu)
        assert all(new_r.clusters[3].mu == clst8.mu)

        try:
            new_r = mix.last(10)
        except ValueError:
                pass
Esempio n. 2
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    def testLast(self):
        clst1 = DPCluster(0.5, self.mu1, self.sig)
        clst3 = DPCluster(0.5, self.mu1 + 3, self.sig)
        clst5 = DPCluster(0.5, self.mu1 + 5, self.sig)
        clst7 = DPCluster(0.5, self.mu1 + 7, self.sig)
        clst2 = DPCluster(0.5, self.mu2 + 2, self.sig)
        clst4 = DPCluster(0.5, self.mu2 + 4, self.sig)
        clst6 = DPCluster(0.5, self.mu2 + 6, self.sig)
        clst8 = DPCluster(0.5, self.mu2 + 8, self.sig)

        mix = DPMixture(
            [clst1, clst2, clst3, clst4, clst5, clst6, clst7, clst8], niter=4)

        new_r = mix.last()
        assert len(new_r.clusters) == 2
        assert all(new_r.clusters[0].mu == clst7.mu)
        assert all(new_r.clusters[1].mu == clst8.mu)

        new_r = mix.last(2)
        assert len(new_r.clusters) == 4
        assert all(new_r.clusters[0].mu == clst5.mu)
        assert all(new_r.clusters[1].mu == clst6.mu)
        assert all(new_r.clusters[2].mu == clst7.mu)
        assert all(new_r.clusters[3].mu == clst8.mu)

        try:
            new_r = mix.last(10)
        except ValueError:
            pass
Esempio n. 3
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    def test_last(self):
        cluster1 = DPCluster(0.5, self.mu1, self.sig)
        cluster3 = DPCluster(0.5, self.mu1 + 3, self.sig)
        cluster5 = DPCluster(0.5, self.mu1 + 5, self.sig)
        cluster7 = DPCluster(0.5, self.mu1 + 7, self.sig)
        cluster2 = DPCluster(0.5, self.mu2 + 2, self.sig)
        cluster4 = DPCluster(0.5, self.mu2 + 4, self.sig)
        cluster6 = DPCluster(0.5, self.mu2 + 6, self.sig)
        cluster8 = DPCluster(0.5, self.mu2 + 8, self.sig)

        mix = DPMixture([
            cluster1, cluster2, cluster3, cluster4, cluster5, cluster6,
            cluster7, cluster8
        ],
                        niter=4)

        new_r = mix.last()
        assert len(new_r.clusters) == 2
        assert all(new_r.clusters[0].mu == cluster7.mu)
        assert all(new_r.clusters[1].mu == cluster8.mu)

        new_r = mix.last(2)
        assert len(new_r.clusters) == 4
        assert all(new_r.clusters[0].mu == cluster5.mu)
        assert all(new_r.clusters[1].mu == cluster6.mu)
        assert all(new_r.clusters[2].mu == cluster7.mu)
        assert all(new_r.clusters[3].mu == cluster8.mu)
Esempio n. 4
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    def test_last(self):
        cluster1 = DPCluster(0.5, self.mu1, self.sig)
        cluster3 = DPCluster(0.5, self.mu1 + 3, self.sig)
        cluster5 = DPCluster(0.5, self.mu1 + 5, self.sig)
        cluster7 = DPCluster(0.5, self.mu1 + 7, self.sig)
        cluster2 = DPCluster(0.5, self.mu2 + 2, self.sig)
        cluster4 = DPCluster(0.5, self.mu2 + 4, self.sig)
        cluster6 = DPCluster(0.5, self.mu2 + 6, self.sig)
        cluster8 = DPCluster(0.5, self.mu2 + 8, self.sig)

        mix = DPMixture(
            [
                cluster1,
                cluster2,
                cluster3,
                cluster4,
                cluster5,
                cluster6,
                cluster7,
                cluster8
            ], niter=4)

        new_r = mix.last()
        assert len(new_r.clusters) == 2
        assert all(new_r.clusters[0].mu == cluster7.mu)
        assert all(new_r.clusters[1].mu == cluster8.mu)

        new_r = mix.last(2)
        assert len(new_r.clusters) == 4
        assert all(new_r.clusters[0].mu == cluster5.mu)
        assert all(new_r.clusters[1].mu == cluster6.mu)
        assert all(new_r.clusters[2].mu == cluster7.mu)
        assert all(new_r.clusters[3].mu == cluster8.mu)