“Check completeness, academic recognition agency check, English test check” are classified as ____________ step." (1分) Business Value Adding (BVA) Non-Value Adding (NVA) Value Adding (VA) Data-driven decision making (DDDM)

"Check completeness, academic recognition agency check, English test check" 可以被归类为“非价值增加（Non-Value Adding, NVA）”步骤。这是因为这些步骤不会直接增加产品或服务的价值，而只是为了确保申请材料的完整性、准确性和合规性。

相关问题

import pandas as pd import numpy as np from sklearn.datasets import load_digits from sklearn.metrics import * from sklearn.cluster import * digits = load_digits() digits_X = digits.data digits_y = digits.target n_clusters = 10 clf =(n_clusters=n_clusters, random_state=0) clf.load_digits() result = homogeneity_completeness_v_measure(digits_y, clf.labels_)

在你提供的代码中，有一些问题需要修改才能正确运行。

首先，你在定义 `clf` 时缺少了 `KMeans` 这个类的名字，应该改为：

clf = KMeans(n_clusters=n_clusters, random_state=0)

接着，你需要用 `clf.fit()` 方法来拟合模型，而不是 `clf.load_digits()`。

最后，你可以使用 `homogeneity_completeness_v_measure()` 方法来计算聚类结果的完整性、同质性和V-measure值。需要注意的是，这个方法需要传入真实标签和预测标签两个参数，因此我们需要用 `clf.predict(digits_X)` 来获取预测标签。修改后的代码如下：

import pandas as pd
import numpy as np
from sklearn.datasets import load_digits
from sklearn.metrics import *
from sklearn.cluster import *

digits = load_digits()
digits_X = digits.data
digits_y = digits.target
n_clusters = 10

clf = KMeans(n_clusters=n_clusters, random_state=0)
clf.fit(digits_X)

result = homogeneity_completeness_v_measure(digits_y, clf.predict(digits_X))
print("Homogeneity: {:.3f}, Completeness: {:.3f}, V-measure: {:.3f}".format(result[0], result[1], result[2]))

希望这个回答对你有所帮助！

raise ValueError( ValueError: For evaluating multiple scores, use sklearn.model_selection.cross_validate instead. ['accuracy', 'adjusted_mutual_info_score', 'adjusted_rand_score', 'average_precision', 'balanced_accuracy', 'completeness_score', 'explained_variance', 'f1', 'f1_macro', 'f1_micro', 'f1_samples', 'f1_weighted', 'fowlkes_mallows_score', 'homogeneity_score', 'jaccard', 'jaccard_macro', 'jaccard_micro', 'jaccard_samples', 'jaccard_weighted', 'matthews_corrcoef', 'max_error', 'mutual_info_score', 'neg_brier_score', 'neg_log_loss', 'neg_mean_absolute_error', 'neg_mean_absolute_percentage_error', 'neg_mean_gamma_deviance', 'neg_mean_poisson_deviance', 'neg_mean_squared_error', 'neg_mean_squared_log_error', 'neg_median_absolute_error', 'neg_negative_likelihood_ratio', 'neg_root_mean_squared_error', 'normalized_mutual_info_score', 'positive_likelihood_ratio', 'precision', 'precision_macro', 'precision_micro', 'precision_samples', 'precision_weighted', 'r2', 'rand_score', 'recall', 'recall_macro', 'recall_micro', 'recall_samples', 'recall_weighted', 'roc_auc', 'roc_auc_ovo', 'roc_auc_ovo_weighted', 'roc_auc_ovr', 'roc_auc_ovr_weighted', 'top_k_accuracy', 'v_measure_score'] was passed.

这个错误是因为你在调用某个函数时传入了多个评估指标，而该函数不支持同时对多个指标进行评估。建议使用 sklearn.model_selection.cross_validate 函数来对多个指标进行评估。你可以将评估指标作为参数传递给该函数。例如：

from sklearn.model_selection import cross_validate
from sklearn.linear_model import LogisticRegression
from sklearn.datasets import make_classification

X, y = make_classification(random_state=0)
clf = LogisticRegression(random_state=0)

scoring = ['accuracy', 'precision_macro', 'recall_macro']
scores = cross_validate(clf, X, y, scoring=scoring)

这样就可以同时对 accuracy、precision_macro 和 recall_macro 三个指标进行评估了。