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The results indicate that our method can achieve an average improvements of 33.16% on the worst slack (WS) and 75.56% on the total negative slack (TNS), respectively.
The slack variable also enables explicit computation of a near-optimal, feasible starting point.
We demonstrate that the SVM is a valuable tool and show that an automated discovery- significance based optimization of the SVM hyper-parameters is a highly efficient way to prepare an SVM for such applications.
Proceedings ArticleDOI
Li Chen, Jing Chen, Xin-tao Gao 
28 Dec 2009
7 Citations
By using different penalty parameters to different slack variables in P-SVM, the new algorithm adjusts penalty parameters more flexible, and effectively improves the low classification accuracy caused by imbalanced samples.
The presented evaluation shows that the Slack Method is superior to list-processing-based approaches with regard to both finding more feasible solutions as well as finding solutions with better objective function values. In a comparative survey we evaluate the Slack Method against several alternative allocation techniques.
This paper proposes an effective way to use the TY slack for successful statistical optimization.
Increasing the values of slack variables, help in reducing the effect of noisy support vectors.
In this paper we argue that the SVDD slack variables lack a clear geometric meaning, and we therefore re-analyze the cost function to get a better insight into the characteristics of the solution.
We also introduce and analyze two new definitions of slack variables and show that one of the proposed methods behaves more robustly with respect to outliers, thus providing tighter bounds compared to SVDD.
Moreover, we present a significantly simpler version of the Slack-Algorithm and also simplify its analysis.
We show that this formulation contains some unnecessary circuits which, furthermore, can fail to provide the correct value of one of the SVM parameters and suggest how to avoid these drawbacks.

Related Questions

What is slack?4 answersSlack can be understood in various contexts. In the realm of data augmentation for neural networks, slack refers to the unused space in file systems that may contain valuable information for digital investigations. In the medical field, tools like Slack are utilized to enhance communication and streamline processes within residency programs. On a financial front, enterprise slack represents undistributed profit and earned surplus, serving as a crucial factor in strategic decision-making for firms, providing resources for improvement, innovation, and financial activities aligned with their strategies. Therefore, slack encompasses both digital storage concepts and operational tools in different domains, highlighting its significance in optimizing processes and decision-making.
What are consequences of slack human resources?5 answersSlack human resources can have both positive and negative consequences. On one hand, having human resource slack can provide a buffer against risks, especially for smaller and more vulnerable firms. It allows firms to have extra resources available to handle unexpected challenges. On the other hand, having too much human resource slack can lead to complacency among firm managers, reducing business activities such as exports. Additionally, holding human resource slack can increase internal rigidity and reduce entrepreneurial risk-taking. However, the effects of human resource slack on profitability may be weaker for firms that are part of business groups, as internal labor markets within these groups can mitigate the benefits and limitations of holding human resource slack. Overall, the consequences of slack human resources depend on factors such as firm size and organizational structure.
How to calculate confusion matrix based on SVM values?5 answersThe confusion matrix is a table used to assess the performance of a classification model. In the case of SVM classification, the confusion matrix can be calculated by comparing the predicted classes with the actual classes of the test data. Each row of the matrix represents the instances in an actual class, while each column represents the instances in a predicted class. The matrix helps to visualize the algorithm's performance and identify misclassifications. Several papers discuss the use of confusion matrices in machine learning, including those by Amin, Haghighi et al., Chen and Tang, and Xiu-Ming. These papers provide insights into the concept of confusion matrices, their applications, and algorithms for calculating them.
How to compute the data of svm?5 answersSupport Vector Machines (SVM) are computed using a series of steps. First, feature data is extracted from a networked inverted pendulum system. Then, false data is acquired and labeled as such. Data sets for training and testing are created by integrating normal data with the labeled false data. Finally, an SVM model is obtained through training and the classification accuracy is calculated. SVM is a powerful algorithm that can be used for classification, regression, and anomaly detection. It is particularly effective in modeling complex real-world problems such as text and image classification. SVM algorithms play a crucial role in various data mining tasks, including classification, clustering, prediction, and estimation. Additionally, there are techniques to improve SVM, such as using a positive symmetric function to enlarge the margin around the separating hyper-plane. Preprocessing techniques, such as using rough sets theory, can also be applied to improve the generalization performance and structure of SVM classifiers.
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