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Biometrical Letters

Volume 60 (2023): Issue 2 (December 2023)

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10 Articles
Open Access | Dec 29, 2023
Stability analysis of spring oat genotypes in south-west Poland
Konrad Banaś

Konrad Banaś

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Banaś, Konrad
, 
Marcin Przystalski

Marcin Przystalski

Research Centre for Cultivar Testing (COBORU)Słupia Wielka, Poland
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Przystalski, Marcin
 and 
Agnieszka Łacka

Agnieszka Łacka

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Łacka, Agnieszka
  
Open Access | Dec 29, 2023
Existence, uniqueness, boundedness and stability of periodic solutions of a certain second-order nonlinear differential equation with damping and resonance effects
Everestus Obinwanne Eze

Everestus Obinwanne Eze

Department of Mathematics, Michael Okpara University of AgricultureNigeria
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Eze, Everestus Obinwanne
, 
Uchenna Emmanuel Obasi

Uchenna Emmanuel Obasi

Department of Mathematics, Michael Okpara University of AgricultureNigeria
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Obasi, Uchenna Emmanuel
, 
Godwin Ezugorie

Godwin Ezugorie

Department of Mathematics, Enugu State University Science and TechnologyEnugu, Nigeria
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Ezugorie, Godwin
 and 
Enyiduru Ekwomchi Hannah

Enyiduru Ekwomchi Hannah

Department of Mathematics, Michael Okpara University of AgricultureNigeria
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Hannah, Enyiduru Ekwomchi
  
Open Access | Dec 29, 2023
Machine learning methods in the detection of brain tumors
Maria Reszke

Maria Reszke

Faculty of Mathematics and Computer Science, Adam Mickiewicz UniversityPoznań, Poland
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Reszke, Maria
 and 
Łukasz Smaga

Łukasz Smaga

Faculty of Mathematics and Computer Science, Adam Mickiewicz UniversityPoznań, Poland
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Smaga, Łukasz
  
Open Access | Dec 29, 2023
Zero-Inflated Poisson Regression Modeling of Plant Protein Consumption
I. J. David

I. J. David

Department of Mathematics and Statistics, Federal University WukariNigeria
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David, I. J.
, 
P. O. Ikwuoche

P. O. Ikwuoche

Department of Mathematics and Statistics, Federal University WukariNigeria
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Ikwuoche, P. O.
 and 
R. L. Kolo

R. L. Kolo

Department of Biological Science, Federal UniversityGashua, Nigeria
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Kolo, R. L.
  
Open Access | Dec 29, 2023
Fujiwara’s inequality for synchronous functions and its consequences
Zdzisław Otachel

Zdzisław Otachel

Department of Applied Mathematics and Computer Science, University of Life Sciences in LublinLublin, Poland
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Otachel, Zdzisław
  
Open Access | Dec 29, 2023
D-optimal chemical balance weighing designs with positively correlated errors: part II
Małgorzata Graczyk

Małgorzata Graczyk

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Graczyk, Małgorzata
 and 
Bronisław Ceranka

Bronisław Ceranka

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Ceranka, Bronisław
  
Open Access | Dec 29, 2023
Functional relationships between yield of maize (Zea mays L.) and its components
Piotr Szulc

Piotr Szulc

Department of Agronomy, Poznań University of Life SciencesPoznań, Poland
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Szulc, Piotr
, 
Katarzyna Ambroży-Deręgowska

Katarzyna Ambroży-Deręgowska

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Ambroży-Deręgowska, Katarzyna
, 
Przemysław Kardasz

Przemysław Kardasz

Field Experimental Station in Winna Góra, Institute of Plant Protection – National Research InstituteSzlachcin, Poland
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Kardasz, Przemysław
, 
Rafał Nowaczyk

Rafał Nowaczyk

Field Experimental Station in Winna Góra, Institute of Plant Protection – National Research InstituteSzlachcin, Poland
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Nowaczyk, Rafał
 and 
Małgorzata Neumann

Małgorzata Neumann

Department of Agronomy, Poznań University of Life SciencesPoznań, Poland
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Neumann, Małgorzata
  
Open Access | Dec 29, 2023
Structure identification for a linearly structured covariance matrix: part II
Adam Mieldzioc

Adam Mieldzioc

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Mieldzioc, Adam
  
Open Access | Dec 29, 2023
Notes on parametric functions in the linear model
Anna Szczepańska-Álvarez

Anna Szczepańska-Álvarez

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Szczepańska-Álvarez, Anna
  
Open Access | Dec 29, 2023
Estimation methods for a linearly structured covariance matrix
Adam Mieldzioc

Adam Mieldzioc

Department of Mathematical and Statistical Methods, Poznań University of Life SciencesPoznań, Poland
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Mieldzioc, Adam
  

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Life Sciences, Bioinformatics, Life Sciences, other, Mathematics, Probability and Statistics, Applied Mathematics
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