Results 61 to 70 of about 124,454 (198)

Comparison of panel data and cross-sectional regression results; case of functional fixation hypothesis [PDF]

مطالعات تجربی حسابداری مالی, 2014
This research compares regression analysis including cross section regression and pooled regression for test of functional fixation hypothesis. The Comparison of cross section and pooled regression in case of functional fixation hypothesis is done.
Farrokh Barzideh
doaj  

Estimating Farm Efficiency in the Presence of Double Heteroscedasticity Using Panel Data [PDF]

The accuracy of technical efficiency measures is important given the interest in such measures in policy discussions. In recent years the use of stochastic frontiers has become popular for estimating technical inefficiency, but estimated inefficiencies ...
Cherif Guermat, Julie Whittaker, Kaddour Hadri   +2 more
core  

EXAMINATION OF ALTERNATIVE HETEROSCEDASTIC ERROR STRUCTURES USING EXPERIMENTAL DATA [PDF]

Impacts of alternative specifications for heteroscedastic error structures are examined by estimating various production functions for corn in Central Texas. Production- and profit- maximizing levels of input and the shape of the profit equation obtained
Capps, Oral, Jr., Griffin, Ronald C., Mjelde, James W.   +2 more
core   +1 more source

Probabilistic Multilayer Perceptrons for Wind Farm Condition Monitoring

Wind Energy
We provide a condition monitoring system for wind farms, based on normal behaviour modelling using a probabilistic multilayer perceptron with transfer learning via fine‐tuning.
Filippo Fiocchi, Domniki Ladopoulou, Petros Dellaportas   +2 more
doaj   +1 more source

Nonparametric Transformation Models for Double-Censored Data with Crossed Survival Curves: A Bayesian Approach

Mathematics
Double-censored data are frequently encountered in pharmacological and epidemiological studies, where the failure time can only be observed within a certain range and is otherwise either left- or right-censored.
Ping Xu, Ruichen Ni, Shouzheng Chen, Zhihua Ma, Chong Zhong   +4 more
doaj   +1 more source

The relation between the level and uncertainty of inflation [PDF]

This paper focus on the problems faced in the empirical investigation of the relation between the level and volatility of inflation. Monthly inflation series seem to be affected by both the presence of outliers and conditional heteroscedasticity.
Ester Ruiz, Fernando Lorenzo
core  

Long and Short Memory Conditional Heteroscedasticity in Estimating the Memory Parameter of Levels - (Now published in Econometric Theory, 15 (1999), pp.299-336.) [PDF]

Semiparametric estimates of long memory seem useful in the analysis of long financial time series because they are consistent under much broader conditions than parametric estimates.
Marc Henry, Peter M Robinson
core  

Inactivation kinetics of selected pathogenic and non-pathogenic bacteria by aqueous ozone to validate minimum usage in purified water

Frontiers in Microbiology
Ozone is often used as an antimicrobial agent at the final step in purified water processing. When used in purified bottled water manufacturing, residual ozone should not exceed 0.4 mg/L, per US-FDA regulations.
Yuqian Lou, David R. Kasler, Zach L. Hawkins, Zhen Li, Dan Sannito, Ronald D. Fritz, Ahmed E. Yousef, Ahmed E. Yousef   +7 more
doaj   +1 more source

A Score Test for Individual Heteroscedasticity in a One-way Error Components Model [PDF]

The purpose of this paper is to derive a Rao's efficient score statistic for testing for heteroscedasticity in an error components model with only individual effects. We assume that the individual effect exists and therefore do not test for it.
Alberto HOLLY, Lucien GARDIOL
core  

Degeneracy in Heteroscedastic Regression Models

Journal of Multivariate Analysis, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Li, Kim-Hung, Chan, Nai Ng
openaire   +1 more source