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[GPU] GPU kernel

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This commit is contained in:
Zhenwen Dai 2014-03-26 10:47:33 +00:00
parent b5b17b9715
commit 53627ee282
7 changed files with 90 additions and 60 deletions
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18
GPy/plotting/matplot_dep/variational_plots.py
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@ -45,7 +45,7 @@ def plot(parameterized, fignum=None, ax=None, colors=None):
fig.tight_layout(h_pad=.01) # , rect=(0, 0, 1, .95))
return fig
def plot_SpikeSlab(parameterized, fignum=None, ax=None, colors=None):
def plot_SpikeSlab(parameterized, fignum=None, ax=None, colors=None, side_by_side=True):
"""
Plot latent space X in 1D:
@ -58,7 +58,10 @@ def plot_SpikeSlab(parameterized, fignum=None, ax=None, colors=None):
"""
if ax is None:
fig = pb.figure(num=fignum, figsize=(8, min(12, (2 * parameterized.mean.shape[1]))))
if side_by_side:
fig = pb.figure(num=fignum, figsize=(16, min(12, (2 * parameterized.mean.shape[1]))))
else:
fig = pb.figure(num=fignum, figsize=(8, min(12, (2 * parameterized.mean.shape[1]))))
if colors is None:
colors = pb.gca()._get_lines.color_cycle
pb.clf()
@ -68,8 +71,15 @@ def plot_SpikeSlab(parameterized, fignum=None, ax=None, colors=None):
means, variances, gamma = param_to_array(parameterized.mean, parameterized.variance, parameterized.binary_prob)
x = np.arange(means.shape[0])
for i in range(means.shape[1]):
if side_by_side:
sub1 = (means.shape[1],2,2*i+1)
sub2 = (means.shape[1],2,2*i+2)
else:
sub1 = (means.shape[1]*2,1,2*i+1)
sub2 = (means.shape[1]*2,1,2*i+2)
# mean and variance plot
a = fig.add_subplot(means.shape[1]*2, 1, 2*i + 1)
a = fig.add_subplot(*sub1)
a.plot(means, c='k', alpha=.3)
plots.extend(a.plot(x, means.T[i], c=colors.next(), label=r"$\mathbf{{X_{{{}}}}}$".format(i)))
a.fill_between(x,
@ -82,7 +92,7 @@ def plot_SpikeSlab(parameterized, fignum=None, ax=None, colors=None):
if i < means.shape[1] - 1:
a.set_xticklabels('')
# binary prob plot
a = fig.add_subplot(means.shape[1]*2, 1, 2*i + 2)
a = fig.add_subplot(*sub2)
a.bar(x,gamma[:,i],bottom=0.,linewidth=0,align='center')
a.set_xlim(x.min(), x.max())
a.set_ylim([0.,1.])