Kernel SHAP 1000 mean ref.
    color = red_blue_circle(0.5)
    linestyle = solid

def kernel_shap_1000_meanref(model, data):
    """ Kernel SHAP 1000 mean ref.
    color = red_blue_circle(0.5)
    linestyle = solid
    """
    return lambda X: KernelExplainer(model.predict, kmeans(data, 1)).shap_values(X, nsamples=1000, l1_reg=0)