def ssgplvm_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
    import pods

    _np.random.seed(0)
    data = pods.datasets.oil()

    kernel = GPy.kern.RBF(Q, 1., 1. / _np.random.uniform(0, 1, (Q,)), ARD=True)  # + GPy.kern.Bias(Q, _np.exp(-2))
    Y = data['X'][:N]
    m = GPy.models.SSGPLVM(Y, Q, kernel=kernel, num_inducing=num_inducing, **k)
    m.data_labels = data['Y'][:N].argmax(axis=1)

    if optimize:
        m.optimize('bfgs', messages=verbose, max_iters=max_iters, gtol=.05)

    if plot:
        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((m.Y[0, :]))
        lvm_visualizer = GPy.plotting.matplot_dep.visualize.lvm_dimselect(m.X.mean.values[0:1, :],  # @UnusedVariable
            m, data_show, latent_axes=latent_axes, sense_axes=sense_axes, labels=m.data_labels)
        raw_input('Press enter to finish')
        plt.close(fig)
    return m
dataset/ETHPy150Open SheffieldML/GPy/GPy/examples/dimensionality_reduction.py/ssgplvm_oil/original