Optimization of General Statistical Accuracy Measures for Classification Based on Learning Vector Quantization

نویسندگان

  • Marika Kaden
  • Wieland Hermann
  • Thomas Villmann
چکیده

We propose a framework for classification learning based on generalized learning vector quantization using statistical quality measures as cost function. Statistical measures like the F -measure or the Matthews correlation coefficient reflect better the performance for two-class classification problems than the simple accuracy, in particular if the data classes are imbalanced. For this purpose, we introduce soft approximations of those quantities contained in the confusion matrix, which are the basis for the calculation of the quality measures.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Median Variants of LVQ for Optimization of Statistical Quality Measures for Classification of Dissimilarity Data

We consider in this article median variants of the learning vector quantization classifier for classification of dissimilarity data. particularly we are interested in optimization of advanced classification quality measures like sensitivity, specificity or the Fβmeasure. These measures are frequently more appropriate than simple accuracy, in particular, if the training data are imbalanced for t...

متن کامل

Diagnosis of Heart Disease Based on Meta Heuristic Algorithms and Clustering Methods

Data analysis in cardiovascular diseases is difficult due to large massive of information. All of features are not impressive in the final results. So it is very important to identify more effective features. In this study, the method of feature selection with binary cuckoo optimization algorithm is implemented to reduce property. According to the results, the most appropriate classification fo...

متن کامل

An Optimization Framework for Generalized Relevance Learning Vector Quantization with Application to Z-Wave Device Fingerprinting

Z-Wave is low-power, low-cost Wireless Personal Area Network (WPAN) technology supporting Critical Infrastructure (CI) systems that are interconnected by government-to-internet pathways. Given that Z-wave is a relatively unsecure technology, Radio Frequency Distinct Native Attribute (RF-DNA) Fingerprinting is considered here to augment security by exploiting statistical features from selected s...

متن کامل

A New Formulation for Cost-Sensitive Two Group Support Vector Machine with Multiple Error Rate

Support vector machine (SVM) is a popular classification technique which classifies data using a max-margin separator hyperplane. The normal vector and bias of the mentioned hyperplane is determined by solving a quadratic model implies that SVM training confronts by an optimization problem. Among of the extensions of SVM, cost-sensitive scheme refers to a model with multiple costs which conside...

متن کامل

Median-LVQ for Classification of Dissimilarity Data based on ROC-Optimization

In this article we consider a median variant of the learning vector quantization (LVQ) classifier for classification of dissimilarity data. However, beside the median aspect, we propose to optimize the receiver-operating characteristics (ROC) instead of the classification accuracy. In particular, we present a probabilistic LVQ model with an adaptation scheme based on a generalized ExpectationMa...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2014