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removed fitc_classification modle
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2 changed files with 0 additions and 48 deletions
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@ -6,7 +6,6 @@ from gp_classification import GPClassification
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from sparse_gp_regression import SparseGPRegression
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from sparse_gp_regression import SparseGPRegression
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from svigp_regression import SVIGPRegression
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from svigp_regression import SVIGPRegression
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from sparse_gp_classification import SparseGPClassification
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from sparse_gp_classification import SparseGPClassification
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from fitc_classification import FITCClassification
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from gplvm import GPLVM
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from gplvm import GPLVM
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from bcgplvm import BCGPLVM
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from bcgplvm import BCGPLVM
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from sparse_gplvm import SparseGPLVM
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from sparse_gplvm import SparseGPLVM
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@ -1,47 +0,0 @@
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# Copyright (c) 2013, Ricardo Andrade
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# Licensed under the BSD 3-clause license (see LICENSE.txt)
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import numpy as np
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from ..core import FITC
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from .. import likelihoods
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from .. import kern
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from ..likelihoods import likelihood
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class FITCClassification(FITC):
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"""
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FITC approximation for classification
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This is a thin wrapper around the FITC class, with a set of sensible defaults
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:param X: input observations
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:param Y: observed values
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:param likelihood: a GPy likelihood, defaults to Binomial with probit link function
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:param kernel: a GPy kernel, defaults to rbf+white
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:param normalize_X: whether to normalize the input data before computing (predictions will be in original scales)
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:type normalize_X: False|True
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:param normalize_Y: whether to normalize the input data before computing (predictions will be in original scales)
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:type normalize_Y: False|True
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:rtype: model object
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"""
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def __init__(self, X, Y=None, likelihood=None, kernel=None, normalize_X=False, normalize_Y=False, Z=None, num_inducing=10):
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if kernel is None:
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kernel = kern.rbf(X.shape[1]) + kern.white(X.shape[1],1e-3)
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if likelihood is None:
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noise_model = likelihoods.binomial()
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likelihood = likelihoods.EP(Y, noise_model)
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elif Y is not None:
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if not all(Y.flatten() == likelihood.data.flatten()):
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raise Warning, 'likelihood.data and Y are different.'
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if Z is None:
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i = np.random.permutation(X.shape[0])[:num_inducing]
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Z = X[i].copy()
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else:
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assert Z.shape[1]==X.shape[1]
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FITC.__init__(self, X, likelihood, kernel, Z=Z, normalize_X=normalize_X)
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self.ensure_default_constraints()
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