本文整理汇总了Python中sklearn.manifold.t_sne.TSNE._N_ITER_CHECK方法的典型用法代码示例。如果您正苦于以下问题：Python TSNE._N_ITER_CHECK方法的具体用法？Python TSNE._N_ITER_CHECK怎么用？Python TSNE._N_ITER_CHECK使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sklearn.manifold.t_sne.TSNE的用法示例。
在下文中一共展示了TSNE._N_ITER_CHECK方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_n_iter_without_progress
# 需要导入模块: from sklearn.manifold.t_sne import TSNE [as 别名]
# 或者: from sklearn.manifold.t_sne.TSNE import _N_ITER_CHECK [as 别名]
def test_n_iter_without_progress():
# Use a dummy negative n_iter_without_progress and check output on stdout
random_state = check_random_state(0)
X = random_state.randn(100, 10)
for method in ["barnes_hut", "exact"]:
tsne = TSNE(n_iter_without_progress=-1, verbose=2, learning_rate=1e8,
random_state=0, method=method, n_iter=351, init="random")
tsne._N_ITER_CHECK = 1
tsne._EXPLORATION_N_ITER = 0
old_stdout = sys.stdout
sys.stdout = StringIO()
try:
tsne.fit_transform(X)
finally:
out = sys.stdout.getvalue()
sys.stdout.close()
sys.stdout = old_stdout
# The output needs to contain the value of n_iter_without_progress
assert_in("did not make any progress during the "
"last -1 episodes. Finished.", out)