bench_plot_incremental_pca.py 文件源码

def plot_batch_times(all_times, n_features, all_batch_sizes, data):
    plt.figure()
    plot_results(all_batch_sizes, all_times['pca'], label="PCA")
    plot_results(all_batch_sizes, all_times['rpca'], label="RandomizedPCA")
    plot_results(all_batch_sizes, all_times['ipca'], label="IncrementalPCA")
    plt.legend(loc="lower left")
    plt.suptitle("Algorithm runtime vs. batch_size for n_components %i\n \
                 LFW, size %i x %i" % (
                 n_features, data.shape[0], data.shape[1]))
    plt.xlabel("Batch size")
    plt.ylabel("Time (seconds)")