Search Results - "Shukur, Ghazi"

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  1. 1

    The effect of LEGO Training on Pupils' School Performance in Mathematics, Problem Solving Ability and Attitude: Swedish Data by Hussain, Shakir, Lindh, Jorgen, Shukur, Ghazi

    Published in Educational technology & society (01-01-2006)
    “…The purpose of this study is to investigate the effect of one year of regular “LEGO” training on pupils' performances in schools. The underlying pedagogical…”
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  2. 2

    Linear and nonlinear causality tests in an LSTAR model: wavelet decomposition in a nonlinear environment by Li, Yushu, Shukur, Ghazi

    “…In this paper, we use simulated data to investigate the power of different causality tests in a two-dimensional vector autoregressive (VAR) model. The data are…”
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  3. 3

    Immigrants' Relative Earnings in Sweden - A Cohort Analysis by Hammarstedt, Mats, Shukur, Ghazi

    Published in Labour (Rome, Italy) (01-06-2006)
    “…  This paper examines the earnings assimilation of immigrants in Sweden by applying a quantile regression approach on pooled data during the period 1990–99…”
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  4. 4

    Size and Power of the Error Correction Model Cointegration Test. A Bootstrap Approach by Mantalos, Panagiotis, Shukur, Ghazi

    “…The size and power of the ECM cointegration test are investigated by using the ‘bootstrap critical values’. The purpose of this paper is to show the ability of…”
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  5. 5

    Multivariate-based causality tests of twin deficits in the US by Hatemi-J, Abdulnasser, Shukur, Ghazi

    Published in Journal of applied statistics (01-08-2002)
    “…This paper provides an alternative methodology for testing the causality direction between twin deficits in the US. Rao's multivariate F-test combined with the…”
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  6. 6

    On The Least Absolute Deviations Method for Ridge Estimation of Sure Models by Zeebari, Zangin, Shukur, Ghazi

    “…In this paper we examine the application of the least absolute deviations (LAD) method for ridge-type parameter estimation of seemingly unrelated regression…”
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  7. 7

    A Poisson ridge regression estimator by Månsson, Kristofer, Shukur, Ghazi

    Published in Economic modelling (01-07-2011)
    “…The standard statistical method for analyzing count data is the Poisson regression model, which is usually estimated using maximum likelihood (ML) method. The…”
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  8. 8

    Testing autocorrelation in a system perspective testing autocorrelation by Edgerton, David, Shukur, Ghazi

    Published in Econometric reviews (01-01-1999)
    “…The Breusch-Godfrey test for autocorrelated errors is generalised to cover systems of equations, and the properties of 18 versions of the test are studied…”
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  9. 9

    On Ridge Parameters in Logistic Regression by Månsson, Kristofer, Shukur, Ghazi

    “…This article applies and investigates a number of logistic ridge regression (RR) parameters that are estimable by using the maximum likelihood (ML) method. By…”
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  10. 10

    Performances of Model Selection Criteria When Variables are Ill Conditioned by Karlsson, Peter S., Behrenz, Lars, Shukur, Ghazi

    Published in Computational economics (01-06-2019)
    “…Model selection criteria are often used to find a “proper” model for the data under investigation when building models in cases in which the dependent or…”
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  11. 11

    Testing for Unit Roots in Panel Data Using a Wavelet Ratio Method by Li, Yushu, Shukur, Ghazi

    Published in Computational economics (2013)
    “…For testing unit root in single time series, most tests concentrate on the time domain. Recently, Fan and Gençay (Econom Theory 26:1305–1331, 2010 ) proposed a…”
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  12. 12

    A Simulation Study of Some Biasing Parameters for the Ridge Type Estimation of Poisson Regression by Kibria, B. M. Golam, Månsson, Kristofer, Shukur, Ghazi

    “…This article proposes several estimators for estimating the ridge parameter k based on Poisson ridge regression (RR) model. These estimators have been…”
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  13. 13

    Choosing Ridge Parameter for Regression Problems by Khalaf, Ghadban, Shukur, Ghazi

    “…Hoerl and Kennard ( 1970a ) introduced the ridge regression estimator as an alternative to the ordinary least squares estimator in the presence of…”
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  14. 14

    Testing the home-country self-employment hypothesis on immigrants in Sweden by Hammarstedt, Mats, Shukur, Ghazi

    Published in Applied economics letters (01-01-2009)
    “…This article tests the home-country self-employment hypothesis on immigrants in Sweden. The results show that the self-employment rates vary between different…”
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  15. 15

    Modified Ridge Regression Estimators by Khalaf, G., Månsson, Kristofer, Shukur, Ghazi

    “…Ridge regression is a variant of ordinary multiple linear regression whose goal is to circumvent the problem of predictors collinearity. It gives up the…”
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  16. 16

    Estimation of SUR model with VAR(p) disturbances by Alkhamisi, M. A., Golam Kibria, B. M., Shukur, Ghazi

    “…The multiple time series and ridge regression techniques are proposed for modeling and analyzing a scaled real life (or a simulated) data as a SUR model with…”
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  17. 17

    The effect of spillover on the Granger causality test by Mantalos, Panagiotis, Shukur, Ghazi

    Published in Journal of applied statistics (01-01-2010)
    “…In this paper, we investigate the properties of the Granger causality test in stationary and stable vector autoregressive models under the presence of…”
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  18. 18

    Comparison of the effectiveness of forecasts obtained by means of selected probability functions with respect to forecast error distributions by Shukur, Ghazi, Doszyń, Mariusz, Dmytrów, Krzysztof

    “…The forecasting of sales in a company is one of the crucial challenges that must be faced. Nowadays, there is a large spectrum of methods that enable making…”
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  19. 19

    Performance of Some Logistic Ridge Regression Estimators by Kibria, B. M. Golam, Månsson, Kristofer, Shukur, Ghazi

    Published in Computational economics (01-12-2012)
    “…In this paper we generalize different approaches of estimating the ridge parameter k proposed by Muniz et al. (Comput Stat, 2011 ) to be applicable for…”
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  20. 20

    Developing Interaction Shrinkage Parameters for the Liu Estimator — with an Application to the Electricity Retail Market by Shukur, Ghazi, Månsson, Kristofer, Sjölander, Pär

    Published in Computational economics (01-12-2015)
    “…In this article we examine multicollinearity in the standard OLS interaction-term model—a problem often disregarded by practitioners and in previous research…”
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