نتایج جستجو برای: regression equations

تعداد نتایج: 548702  

Journal: :Paediatric and perinatal epidemiology 1990
R Brand

In Part 1 basic concepts were introduced as a preparation for an introductory explanation of logistic regression. Logistic regression is a statistical modelling technique, designed for the estimation of the simultaneous effects of predictors on the risk of a certain dichotomous outcome variable where each effect is estimated while adjusting for the effect of the other factors considered. The ba...

Journal: :Journal of the American Statistical Association 2010
Lu Wang Andrea Rotnitzky Xihong Lin

We consider nonparametric regression of a scalar outcome on a covariate when the outcome is missing at random (MAR) given the covariate and other observed auxiliary variables. We propose a class of augmented inverse probability weighted (AIPW) kernel estimating equations for nonparametric regression under MAR. We show that AIPW kernel estimators are consistent when the probability that the outc...

2012
DAVID M. KAPLAN YIXIAO SUN Xiaohong Chen Brendan Beare Andres Santos

The moment conditions or estimating equations for instrumental variables quantile regression involves the discontinuous indicator function. We instead use smoothed estimating equations, with bandwidth h. This is known to allow higherorder expansions that justify bootstrap refinements for inference. Computation of the estimator also becomes simpler and more reliable, especially with (more) endog...

2013
Ya-Nan Ma Jing Wang Guang-Hui Dong Miao-Miao Liu Da Wang Yu-Qin Liu Yang Zhao Wan-Hui Ren Yungling Leo Lee Ya-Dong Zhao Qin-Cheng He

BACKGROUND There have been few published studies on spirometric reference values for healthy children in China. We hypothesize that there would have been changes in lung function that would not have been precisely predicted by the existing spirometric reference equations. The objective of the study was to develop more accurate predictive equations for spirometric reference values for children a...

The purpose of this paper is to present a new approach based on the Least Squares Error method for estimating the unknown parameters of the nonlinear 3rd order synchronous generator model. The proposed method uses the mathematical relationships between the machine parameters and on-line input/output measurements to estimate the parameters of the nonlinear state space model. The field voltage is...

2005
Ni Wang Jye-Chi Lu Di Chen Paul Kvam

This article uses empirical likelihood with estimating equations to model and analyze heavy censored accelerated life testing data. This approach flexibly and rigorously incorporates distribution assumptions and regression structures into estimating equations in a nonparametric estimation framework. Real-life examples of using available data to explore the regression functional relationship and...

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