apunkt/GPy
1
0
Fork 0
mirror of https://github.com/SheffieldML/GPy.git synced 2026-05-12 05:22:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

[visualize] some adjustments to vector_show

Browse source
This commit is contained in:
Max Zwiessele 2014-05-12 12:05:06 +01:00
parent 5826ac6b73
commit 22221565bb
2 changed files with 13 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

6
GPy/examples/dimensionality_reduction.py
View file

@ -161,6 +161,7 @@ def bgplvm_oil(optimize=True, verbose=1, plot=True, N=200, Q=7, num_inducing=40,
import GPy
from matplotlib import pyplot as plt
from ..util.misc import param_to_array
import numpy as np
_np.random.seed(0)
data = GPy.util.datasets.oil()
@ -174,11 +175,10 @@ 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
fig, (latent_axes, sense_axes) = plt.subplots(1, 2)
m.plot_latent(ax=latent_axes, labels=m.data_labels)
data_show = GPy.plotting.matplot_dep.visualize.vector_show(y)
lvm_visualizer = GPy.plotting.matplot_dep.visualize.lvm_dimselect(param_to_array(m.X.mean), # @UnusedVariable
data_show = GPy.plotting.matplot_dep.visualize.vector_show(np.zeros((m.Y.shape[1], 1)))
lvm_visualizer = GPy.plotting.matplot_dep.visualize.lvm_dimselect(param_to_array(m.X.mean)[0:1,:], # @UnusedVariable
m, data_show, latent_axes=latent_axes, sense_axes=sense_axes)
raw_input('Press enter to finish')
plt.close(fig)