نتایج جستجو برای: wald

تعداد نتایج: 2212  

2017
Palikhe Bishnu Tong Li Xing Tian Rong

Objectives: To evaluate whether an antenatal and immediate postpartum Edinburgh Postnatal Depression Scale score are predictive of future postpartum depression and observe the correlation in-between the scores and associated risk factors. Methods: Study Design A survey recruiting 345 women from March 2015 to February 2016 using Edinburgh Postnatal Depression Scale for same group of individuals:...

Journal: :Biometrics 2012
Julie Bertrand Emmanuelle Comets Marylore Chenel France Mentré

Nonlinear mixed effects models allow investigating individual differences in drug concentration profiles (pharmacokinetics) and responses. Pharmacogenetics focuses on the genetic component of this variability. Two tests often used to detect a gene effect on a pharmacokinetic parameter are (1) the Wald test, assessing whether estimates for the gene effect are significantly different from 0 and (...

ژورنال: پژوهش های ریاضی 2017
Naghizadeh ghomi , M, Noroozi Firoze, A,

The problem of finding  tolerance intervals receives very much attention of researchers and are widely used in various statistical fields, including biometry, economics, reliability analysis and quality control. Tolerance interval is a random interval  that covers a specified  proportion of the population with a specified confidence level. In this paper, we compare approximate tolerance interva...

2012
Chengpeng Hao Danilo Orlando Chaohuan Hou

In this paper, we focus on the design of adaptive receivers for nonhomogeneous scenarios. More precisely, at the design stage we assume a mismatch between the covariance matrix of the noise in the cell under test and that of secondary data. Under the above assumption, we show that the Wald test is the adaptive matched filter, while the Rao test coincides with the receiver obtained by using the ...

2013
Xiaohong Chen Zhipeng Liao Yixiao Sun

This paper first establishes the asymptotic normality of plug-in sieve M estimators of possibly irregular functionals of semi-nonparametric time series models. We show that, even when the sieve score process is not a martingale difference, the asymptotic variances of plug-in sieve M estimators of irregular (i.e., slower than root-T estimable) functionals are the same as those for independent da...

2007
Claudia CZADO Aleksey MIN

Count data often exhibit overdispersion and/or require an adjustment for zero outcomes with respect to a Poisson model. Zero-modified Poisson (ZMP) and zeromodified generalized Poisson (ZMGP) regression models are useful classes of models for such data. In the literature so far only score tests are used for testing the necessity of this adjustment. For this testing problem we show how poor the ...

Journal: :The Annals of Mathematical Statistics 1956

Journal: :Deutsche Entomologische Zeitschrift (neue Folge) 1965

Journal: :Württembergisch Franken 2023

Carlheinz Gräter, Der Wald Immergrün. Eine kleine Kulturgeschichte von Baum und Strauch, Leinfelden-Echterdingen (DRW-Verl. Weinbrenner) 1996. 111 S., zahlr. Abb.

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