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Coregionalization examples fixed.

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Ricardo 2013-10-07 12:35:55 +01:00
parent d6095de224
commit d2bc9044fe
1 changed files with 7 additions and 7 deletions
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14
GPy/examples/regression.py
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@ -57,8 +57,8 @@ def coregionalization_toy(max_iters=100):
m.optimize(max_iters=max_iters)
fig, axes = pb.subplots(2,1)
m.plot(output=0,ax=axes[0])
m.plot(output=1,ax=axes[1])
m.plot_single_output(output=0,ax=axes[0])
m.plot_single_output(output=1,ax=axes[1])
axes[0].set_title('Output 0')
axes[1].set_title('Output 1')
return m
@ -77,14 +77,14 @@ def coregionalization_sparse(max_iters=100):
k1 = GPy.kern.rbf(1)
m = GPy.models.SparseGPMultioutputRegression(X_list=[X1,X2],Y_list=[Y1,Y2],kernel_list=[k1],num_inducing=20)
m = GPy.models.SparseGPMultioutputRegression(X_list=[X1,X2],Y_list=[Y1,Y2],kernel_list=[k1],num_inducing=5)
m.constrain_fixed('.*rbf_var',1.)
m.optimize(messages=1)
#m.optimize_restarts(5, robust=True, messages=1, max_iters=max_iters, optimizer='bfgs')
#m.optimize(messages=1)
m.optimize_restarts(5, robust=True, messages=1, max_iters=max_iters, optimizer='bfgs')
fig, axes = pb.subplots(2,1)
m.plot(output=0,ax=axes[0])
m.plot(output=1,ax=axes[1])
m.plot_single_output(output=0,ax=axes[0],plot_limits=(-1,9))
m.plot_single_output(output=1,ax=axes[1],plot_limits=(-1,9))
axes[0].set_title('Output 0')
axes[1].set_title('Output 1')
return m