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merged dimen reduction

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This commit is contained in:
Max Zwiessele 2013-10-14 17:58:13 +01:00
commit 9c126d9b94
11 changed files with 618 additions and 114 deletions
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20
GPy/examples/dimensionality_reduction.py
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@ -351,6 +351,26 @@ def brendan_faces():
raw_input('Press enter to finish')
return m
def olivetti_faces():
from GPy import kern
data = GPy.util.datasets.olivetti_faces()
Q = 2
Y = data['Y']
Yn = Y - Y.mean()
Yn /= Yn.std()
m = GPy.models.GPLVM(Yn, Q)
m.optimize('scg', messages=1, max_iters=1000)
ax = m.plot_latent(which_indices=(0, 1))
y = m.likelihood.Y[0, :]
data_show = GPy.util.visualize.image_show(y[None, :], dimensions=(112, 92), transpose=False, invert=False, scale=False)
lvm_visualizer = GPy.util.visualize.lvm(m.X[0, :].copy(), m, data_show, ax)
raw_input('Press enter to finish')
return m
def stick_play(range=None, frame_rate=15):
data = GPy.util.datasets.osu_run1()
# optimize