نتایج جستجو برای: multivariate regression analysis

تعداد نتایج: 3006752  

2004
Abhyuday Mandal Kerby Shedden

A “multivariate interaction” in a regression model is a product of two independent variates (linear functions of the regressors) that is an additive component of the regression function E(Y |X). In many cases a substantial portion of the overall pairwise interaction structure in a regression function can be captured by a single multivariate interaction. Due to its parsimonious form, a multivari...

Journal: :Advances in neural information processing systems 2014
Han Liu Lie Wang Tuo Zhao

We propose a new method named calibrated multivariate regression (CMR) for fitting high dimensional multivariate regression models. Compared to existing methods, CMR calibrates the regularization for each regression task with respect to its noise level so that it is simultaneously tuning insensitive and achieves an improved finite-sample performance. Computationally, we develop an efficient smo...

2016
Kun Chen KUN CHEN

In many high dimensional problems, the dependence structure among the variables can be quite complex. An appropriate use of the regularization techniques coupled with other classical statistical methods can often improve estimation and prediction accuracy and facilitate model interpretation, by seeking a parsimonious model representation that involves only the subset of revelent variables. We p...

Baygi, Sajjad , Hosseini, Seyed Hashem , Jami, Hasan , Khaleghi, Mohammad Reza ,

Background: Magnitude, rate and frequency of the stochastic and unexpected events are of great significance and importance in hydrology. Nowadays, for economic planning of the projects, the use of analytical methods of unexpected events in hydrology is unavoidable. The aim of this study was to compare hybrid regression and multivariate regression to estimate flood peak discharge in the province...

Journal: :international journal of environmental research 0
a. banas singapore synchrotron light source (ssls), national university of singapore (nus), 5 research link, singapore k. banas singapore synchrotron light source (ssls), national university of singapore (nus), 5 research link, singapore p. yang singapore synchrotron light source (ssls), national university of singapore (nus), 5 research link, singapore h.o. moser iss / anka light source, forschungszentrum karlsruhe, germany, hermann-von-helmholtz- platz 176344 eggenstein-leopoldshafen, germany m.b.h. breese singapore synchrotron light source (ssls), national university of singapore (nus), 5 research link, singapore, physics department, nus, 2 science drive 3, singapore b. kubica institute of nuclear physics pan, ul radzikowskiego 152, 31-342 krakow, poland w.m. kwiatek

x-ray absorption fine structure (xafs) spectroscopy was used to identify directly the metal speciation and local bonding environment of fe in sediments originated from dobczyce reservoir (poland); special attention was paid to analysis of samples collected from points situated at different distances from the land. the combination of traditional approach to data analysis as well as usage of mult...

Journal: :Technometrics 2004
Peter Rousseeuw Stefan Van Aelst Katrien van Driessen Jose A. Gulló

2008
Charles Kooperberg Michael LeBlanc M. LeBlanc

As in many areas of biostatistics, oncological problems often have multivariate predictors. While assuming a linear additive model is convenient and straightforward, it is often not satisfactory when the relation between the outcome measure and the predictors is either nonlinear or nonadditive. In addition, when the number of predictors becomes (much) larger than the number of independent obser...

Journal: :international journal of infection 0
hisham medhat department of pediatrics, faculty of medicine, suez canal university, ismailia, egypt abdelmoneim khashana department of pediatrics, faculty of medicine, suez canal university, ismailia, egypt; pedego research center, medical research center oulu, university of oulu, oulu, finland; department of pediatrics, faculty of medicine, suez canal university, ismailia, egypt. tel: +2-01200411588 mohamed el kalioby department of pediatrics, faculty of medicine, suez canal university, ismailia, egypt

background it is known that risk factors related to neonatal bacterial sepsis are complex. objectives the current study aimed to determine the risk factors of neonatal sepsis. materials and methods this study was conducted on 1023 neonates admitted to neonatal intensive care units (nicus) in south sinai governorate hospitals from january 2010 till september 2014. demographic data of the neonate...

2013
Sheng Zou Jack Huang Yu Zhu

This project attempts to predict the interest spread of a property loan based on the borrower and property related attributes. Each attribute can be regarded as a potential feature. The problem is how to predict the spread accurately based on those features. This report describes our approaches of using linear and segmented linear models as well as other clustering methods. The comparative resu...

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