نتایج جستجو برای: forward selection approach

تعداد نتایج: 1650902  

Journal: :Computers & Mathematics with Applications 2007

Journal: :Jurnal ilmiah informatika global 2021

Breast cancer is a type of malignant tumor which still the number one killer where process spread or metastasis takes long time. The breast sufferers increases every year so that if detected caught early, prevention can be done early as to reduce sufferers. To risk increasing patients, it necessary do detection, several methods used assist detection such screening, computational methods. Severa...

2010
Kamilia Menghour Labiba Souici-Meslati

Feature selection is an important step in classification systems. It aims at reducing the number of features while trying to preserve or improve classifier performance. In this article, we propose a machine learning based feature selection approach, in the context of spam filtering which is considered as a text categorization task. Our approach consists in an individual evaluation of each attri...

1999
Dinesh Rajan Steven D. Gray

Transmit diversity offers an advantage in the forward link of the cdma2000 system by balancing the spectrum efficiency in the uplink and downlink. Three schemes for performing transmit diversity are examined in this paper – orthogonal transmit diversity, time switched transmit diversity, and selection transmit diversity for vehicular, indoor-outdoor pedestrian and indoor office environments. Al...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Kyungmoo Yea Hongkai Zhang Jia Xie Teresa M Jones Guang Yang Byeong Doo Song Richard A Lerner

When combinatorial antibody libraries are rendered infectious for eukaryotic cells, the integrated antibody genotype and cellular phenotype become permanently linked and each cell becomes a selection system unto itself. These systems should be ideal for the identification of proteins and pathways that regulate differentiation so long as selection systems can be devised. Here we use a selection ...

2006
Ignacio Barrio Enrique Romero Lluís A. Belanche Muñoz

Feature Selection techniques usually follow some search stra tegy to select a suitable subset from a set of features Most neural network growing algorithms perform a search with Forward Selection with the ob jective of nding a reasonably good subset of neurons Using this link be tween both elds feature selection and neuron selection we propose and analyze di erent algorithms for the constructio...

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