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Wyszukujesz frazę "Ishaq, Muhammad" wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Investigation of half-normal model using informative priors under Bayesian structure
Autorzy:
Khawar Kiani, Sania
Aslam, Muhammad
Bhatti, M. Ishaq
Powiązania:
https://bibliotekanauki.pl/articles/18105212.pdf
Data publikacji:
2023-09-08
Wydawca:
Główny Urząd Statystyczny
Tematy:
informative prior
squared root inverted gamma distribution (SRIG)
Bayesian hypothesis testing
loss functions
Opis:
This paper considers properties of half-normal distribution using informative priors under the Bayesian criterion. It employs the squared root inverted gamma, Chi-square and Rayleigh distributions as the prior distribution to construct the Posterior distributions of the respective distributional parameters. Hyperparameters are elicited via prior predictive distribution. The properties of posterior distribution are studied, and their graphs are presented using a real data set. A comprehensive simulation scheme is conducted using informative priors. Bayes estimates are obtained using the loss functions (squared error loss function, modified loss function, quadratic loss function and Degroot loss function). Statistical inferences interval estimates and Bayesian hypothesis testing are presented to demonstrate the usefulness of the study.
Źródło:
Statistics in Transition new series; 2023, 24, 4; 19-36
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A study on exponentiated Gompertz distribution under Bayesian discipline using informative priors
Autorzy:
Aslam, Muhammad
Afzaal, Mehreen
Bhatti, M. Ishaq
Powiązania:
https://bibliotekanauki.pl/articles/1917073.pdf
Data publikacji:
2021-12-08
Wydawca:
Główny Urząd Statystyczny
Tematy:
exponentiated Gompertz distribution
loss functions
informative priors
Bayes estimators
posterior risks
Opis:
The exponentiated Gompertz (EGZ) distribution has been recently used in almost all areas of human endeavours, starting from modelling lifetime data to cancer treatment. Various applications and properties of the EGZ distribution are provided by Anis and De (2020). This paper explores the important properties of the EGZ distribution under Bayesian discipline using two informative priors: the Gamma Prior (GP) and the Inverse Levy Prior (ILP). This is done in the framework of five selected loss functions. The findings show that the two best loss functions are the Weighted Balance Loss Function (WBLF) and the Quadratic Loss Function (QLF). The usefulness of the model is illustrated by the use of reallife data in relation to simulated data. The empirical results of the comparison are presented through a graphical illustration of the posterior distributions.
Źródło:
Statistics in Transition new series; 2021, 22, 4; 101-119
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Real-Time Vocal Tract Model for Elongation of Segment Lengths in a Waveguide Model
Autorzy:
Qureshi, Tahir Mushtaq
Ishaq, Muhammad
Powiązania:
https://bibliotekanauki.pl/articles/176990.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
digital waveguide
vocal tract
elongation of cylindrical segment
Opis:
A vocal tract model based on a digital waveguide is presented in which the vocal tract has been decomposed into uniform cylindrical segments of variable lengths. We present a model for the real-time numerical solution of the digital waveguide equations in a uniform tube with the temporally varying cross section. In the current work, the uniform cylindrical segments of the vocal tract may have their different lengths, the time taken by the sound wave to propagate through a cylindrical segment in an axial direction may not be an integer multiple of each other. In such a case, the delay in an axial direction is necessarily a fractional delay. For the approximation of fractional-delay filters, Lagrange interpolation is used in the current model. Variable length of the individual segment of the vocal tract enables the model to produce realistic results. These results are validated with accurate benchmark model. The proposed model has been devised to elongate or shorten any arbitrary cylindrical segment by a suitable scaling factor. This model has a single algorithm and there is no need to make section of segments for elongation or shortening of the intermediate segments. The proposed model is about 23% more efficient than the previous model.
Źródło:
Archives of Acoustics; 2019, 44, 2; 287-300
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of LMX as Mediator in Procedural Justice – Organizational Citizenship Behavior Relationship
Autorzy:
Ishaq, Muhammad Ishtiaq
Nazia, Munazer Hussain
Nawaz, Muhammad Musarrat
Asim, Ali Ijaz
Cheema, Luqman J.
Powiązania:
https://bibliotekanauki.pl/articles/45636411.pdf
Data publikacji:
2012-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
faculty
higher education
LMX
OCB
Pakistan
procedural justice
universities
Opis:
Scant literature is available on procedural justice – organizational citizenship behaviour (OCB) via mediating role of leader-member exchange (LMX) in higher education context especially in Asian countries like Pakistan. For this purpose, data was collected from 452 permanent and contractual teaching faculty serving in different positions at private and public sector degree awarding institutes / universities accredited by the Higher Education Commission (HEC) of Pakistan. Mediated regression analysis, as proposed by Baron and Kenny (1986), was employed to address the research hypothesis. Results showed that LMX fully mediates the relationship of procedural justice OCB. Implications for future researchers and academic administrators are presented.
Źródło:
The New Educational Review; 2012, 29; 202-211
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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