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Added mlp mapping (with possibility of having multiple layers).

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Neil Lawrence 2013-08-29 19:26:00 +02:00
parent e6739788ea
commit 128ebbabc5
12 changed files with 187 additions and 17 deletions
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GPy/models/gplvm.py
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@ -8,6 +8,7 @@ import sys, pdb
from .. import kern
from ..core import Model
from ..util.linalg import pdinv, PCA
from ..core.priors import Gaussian as Gaussian_prior
from ..core import GP
from ..likelihoods import Gaussian
from .. import util
@ -33,6 +34,7 @@ class GPLVM(GP):
kernel = kern.rbf(input_dim, ARD=input_dim > 1) + kern.bias(input_dim, np.exp(-2))
likelihood = Gaussian(Y, normalize=normalize_Y, variance=np.exp(-2.))
GP.__init__(self, X, likelihood, kernel, normalize_X=False)
self.set_prior('.*X', Gaussian_prior(0, 1))
self.ensure_default_constraints()
def initialise_latent(self, init, input_dim, Y):