نتایج جستجو برای: based variable

تعداد نتایج: 3121252  

Journal: :SSRN Electronic Journal 2012

Journal: :Journal of Business & Economic Statistics 2021

This article is concerned with identifying important features in high-dimensional data analysis, especially when there are complex relationships among predictors. Without any specification of an ac...

2008
Brent A. Johnson Limin Peng L. Peng

This note considers variable selection in the robust linear model via R-estimates. The proposed rank-based approach is a generalization of the penalized least squares estimators where we replace the least squares loss function with Jaeckel’s (1972) dispersion function. Our rank-based method is robust to outliers in the errors and has roots in traditional nonparametric statistics for simple loca...

2014
Zhe Xu Dacheng Tao Ya Zhang Junjie Wu Ah Chung Tsoi

Architectural style classification differs from standard classification tasks due to the rich inter-class relationships between different styles, such as re-interpretation, revival, and territoriality. In this paper, we adopt Deformable Part-based Models (DPM) to capture the morphological characteristics of basic architectural components and propose Multinomial Latent Logistic Regression (MLLR)...

Journal: :jundishapur journal of microbiology 0
sajjad ahmad department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan; department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan faisal ahmad department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan faiz ur rahman department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan salman khan department of microbiology, faculty of biological sciences, quaid-i-azam university, islamabad, pakistan waheed murad department of microbiology and molecular genetics (mmg), university of punjab, lahore, pakistan imran mughal center of biotechnology and microbiology (cobam), university of peshawar, peshawar, pakistan

conclusions the distribution patterns of phase-variable genes in pakistani h. pylori strains were found to be somewhat different. the dominant prevalence of the hsdr gene was an interesting finding, considering its role in bacterial defense in both micro- and macroenvironments. results on culturing, the prevalence of h. pylori infections in the samples was 44.7%. the prevalence was higher in fe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this thesis protic and aprotic ammonium-based ionic liquids were synthesized and their surface tensions were measured in the range of 298-373k. the protics are alkyl ammonium-based ils with the carboxylate (formate, acetate, propionate) anion and aprotics are quaternary ammonium-based ils with bis(trifluoromethylsulfonyl)imide anion. capillary rise method was used for surface tension measure...

Journal: :Communications for Statistical Applications and Methods 2009

Journal: :Journal of the American Statistical Association 2006

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