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GPy/plotting/matplot_dep/inference_plots.py

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+# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
+# Licensed under the BSD 3-clause license (see LICENSE.txt)
+
+import pylab as pb
+#import numpy as np
+#import Tango
+#from base_plots import gpplot, x_frame1D, x_frame2D
+
+
+def plot_optimizer(optimizer):
+    if optimizer.trace == None:
+        print "No trace present so I can't plot it. Please check that the optimizer actually supplies a trace."
+    else:
+        pb.figure()
+        pb.plot(optimizer.trace)
+        pb.xlabel('Iteration')
+        pb.ylabel('f(x)')
+
+def plot_sgd_traces(optimizer):
+    pb.figure()
+    pb.subplot(211)
+    pb.title('Parameters')
+    for k in optimizer.param_traces.keys():
+        pb.plot(optimizer.param_traces[k], label=k)
+    pb.legend(loc=0)
+    pb.subplot(212)
+    pb.title('Objective function')
+    pb.plot(optimizer.fopt_trace)