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plotting, allot of plotting

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mzwiessele 2014-03-20 16:20:39 +00:00
parent 6f9c97ee72
commit ce728d8465
9 changed files with 97 additions and 39 deletions
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5
GPy/examples/dimensionality_reduction.py
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@ -160,6 +160,7 @@ def swiss_roll(optimize=True, verbose=1, plot=True, N=1000, num_inducing=15, Q=4
def bgplvm_oil(optimize=True, verbose=1, plot=True, N=200, Q=7, num_inducing=40, max_iters=1000, **k):
import GPy
from matplotlib import pyplot as plt
from ..util.misc import param_to_array
_np.random.seed(0)
data = GPy.util.datasets.oil()
@ -173,11 +174,11 @@ def bgplvm_oil(optimize=True, verbose=1, plot=True, N=200, Q=7, num_inducing=40,
m.optimize('scg', messages=verbose, max_iters=max_iters, gtol=.05)
if plot:
y = m.Y[0, :]
y = m.Y
fig, (latent_axes, sense_axes) = plt.subplots(1, 2)
m.plot_latent(ax=latent_axes)
data_show = GPy.plotting.matplot_dep.visualize.vector_show(y)
lvm_visualizer = GPy.plotting.matplot_dep.visualize.lvm_dimselect(m.X[0, :], # @UnusedVariable
lvm_visualizer = GPy.plotting.matplot_dep.visualize.lvm_dimselect(param_to_array(m.X.mean), # @UnusedVariable
m, data_show, latent_axes=latent_axes, sense_axes=sense_axes)
raw_input('Press enter to finish')
plt.close(fig)