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Neil Lawrence 2013-05-05 07:59:07 +01:00
parent e941c949e5
commit b6bac53da8
2 changed files with 6 additions and 5 deletions
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7
GPy/core/model.py
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@ -416,9 +416,10 @@ class model(parameterised):
"""
return an array describing the sesitivity of the model to each input
NB. Right now, we're basing this on the lengthscales (or variances) of the kernel.
TODO: proper sensitivity analysis
"""
NB. Right now, we're basing this on the lengthscales (or
variances) of the kernel. TODO: proper sensitivity analysis
where we integrate across the model inputs and evaluate the
effect on the variance of the model output. """
if not hasattr(self, 'kern'):
raise ValueError, "this model has no kernel"

4
GPy/examples/dimensionality_reduction.py
View file

@ -82,11 +82,11 @@ def BGPLVM_oil(optimize=True, N=100, Q=10, M=15, max_f_eval=300):
m.ensure_default_constraints()
y = m.likelihood.Y[0, :]
fig,(latent_axes,hist_axes) = plt.subplots(1,2)
fig,(latent_axes,sense_axes) = plt.subplots(1,2)
plt.sca(latent_axes)
m.plot_latent()
data_show = GPy.util.visualize.vector_show(y)
lvm_visualizer = GPy.util.visualize.lvm_dimselect(m.X[0, :], m, data_show, latent_axes=latent_axes, hist_axes=hist_axes)
lvm_visualizer = GPy.util.visualize.lvm_dimselect(m.X[0, :], m, data_show, latent_axes=latent_axes, sense_axes=sense_axes)
raw_input('Press enter to finish')
plt.close('all')
# # plot