Buscar
Mostrando ítems 1-10 de 11830
Evidence on Common Features and Business Cycle Synchronization in MercosurEvidence on Common Features and Business Cycle Synchronization in Mercosur
(Sociedade Brasileira de Econometria, 2009)
A Feature Extraction Method Based on Feature Fusion and its Application in the Text-Driven Failure Diagnosis Field
As a basic task in NLP (Natural Language Processing), feature extraction directly determines the quality of text clustering and text classification. However, the commonly used TF-IDF (Term Frequency & Inverse Document ...
Constructing common-factor portfolios
(Fundação Getulio Vargas. Escola de Pós-graduação em Economia, 2012-04-19)
In this paper we construct common-factor portfolios using a novel linear transformation of standard factor models extracted from large data sets of asset returns. The simple transformation proposed here keeps the basic ...
General framework for class-specific feature selection
(Elsevier Ltd., 2011)
Reviewing Diagnosis Solutions for Valid Product Configurations in the Automated Analysis of Feature Models
(2019)
A Feature Model (FM) is an information model to represent commonalities and variabilities for all the products of a Software Product Line (SPL). The complexity and big size of real feature models makes their manual analysis ...
A binary cuckoo search and its application for feature selection
(2014-01-01)
In classification problems, it is common to find datasets with a large amount of features, some of theses features may be considered as noisy. In this context, one of the most used strategies to deal with this problem is ...
Using common features to understand the behavior of metal-commodity prices and forecast them at different horizons
(Fundação Getulio Vargas. Escola de Pós-graduação em Economia, 2013-08-22)
The objective of this article is to study (understand and forecast) spot metal price levels and changes at monthly, quarterly, and annual frequencies. Data consists of metal-commodity prices at a monthly and quarterly ...
Using common features to understand the behavior of metal-commodity prices and forecast them at different horizons
(Fundação Getulio Vargas. Escola de Pós-graduação em Economia, 2013-06-03)
The objective of this article is to study (understand and forecast) spot metal price levels and changes at monthly, quarterly, and annual horizons. The data to be used consists of metal-commodity prices in a monthly frequency ...