ValueError: multilabel-indicator is not supported 这个错误信息通常出现在使用机器学习库(如 scikit-learn)进行多标签分类任务时。它表明你尝试使用的模型或函数不支持以“multilabel-indicator”格式输入的多标签数据。 2. 常见原因 模型不支持:你使用的模型或函数本身不支持多标签分类任务,或者不支持以特定格式(如 ...
In multilabel learning, the joint set of binary classification tasks is expressed with label binary indicator array: each sample is one row of a 2d array of shape (n_samples, n_classes) with binary values: the one, i.e. the non zero elements, corresponds to the subset of labels. An a...
Formally, the single positive case is characterized by zni ∈ {1, ∅} for all n ∈ {1, . . . , N }, i ∈ {1, . . . , L} L ✶[zni=1] = 1 for all n ∈ {1, . . . , N } i=1 (4) where ✶[·] denotes the indicator function, i.e. ✶[zni=1] =...
eθk xi (1) The objective function of softmax regression can be described as follows, ⎛⎞ min ⎝− 1 θn n i =1 k 1{yi j =1 = j} log eθ j xi ⎠, k l =1 eθl xi (2) where the indicator function 1{·} equals 1 when xi holds label j and equals 0 ...
The objective of training three deep learning models is to obtain deep representations of multi-view features. The final outputs of each model, after passing through the final layer and the Sigmoid activation function, already exhibit a clear classification trend. However, this is not conducive to...
is the indicator function, which takes 1 if the condition inside the brackets is true, otherwise 0. the smaller the one-error value, the higher the probability that the model’s top prediction is a correct label. ranking loss measures the average proportion of incorrectly ordered labels in ...
During evaluation the parameter \(\alpha '\) is scaled according to the document length. 4. During evaluation, the label tokens c and in particular the number of labels are unknown. To circumvent this problem, the authors replace the label tokens c by the label indicator variables z during...
1(·)1(·) is an indicator function that is 1 if the argument is true and 0 otherwise. Once the competence scores have been computed, classifiers with scores above a pre-specified selection threshold 𝜏τ are selected for the pool of the final ensemble. Such a threshold 𝜏τ may guara...
lysyl-oxidase-mediated collagen cross-links25. Besides fluorescence intensity, it has been reported that the fluorescence lifetime of cross-links is altered with cartilage matrix degradation6, revealing that the fluorescence lifetime of cross-links could potentially serve as an indicator for OA as ...
we evaluated our model on the validation set and test set. The classification performance was characterized by the receiver-operating characteristic (ROC) and assessed by the area under the ROC curves (denoted as AUROC or AUC), which is a non-parametric indicator that reflects the performance of...