Biometrical Letters is the official journal of the Polish Biometric Society, founded in 1964, now published with the financial support of the Ministry of Science and Higher Education. The purpose of Biometrical Letters is publishing papers concerned with different aspects of the analysis and interpretation of results obtained from biometrical experiments, using mathematical and statistical methods. Moreover, the papers presenting statistical and mathematical tools useful in biometry are welcome. Review papers and papers presenting practical use of various methods of data analysis are of special interest.
Papers published in Biometrical Letters are indexed in: Current Index to Statistics and Polish Scientific Journal Contents.
ISSN 1896-3811


Biometrical Letters are distributed to ordinary and sustaining members of the Polish Biometrical Society. Queries concerning the membership (25 Euro including annual subscription) and purchasing the journal should be directed to the secretaries of the Journal.


 Editors:

  Stanisław Mejza, Poznan University of Life Sciences
  ul. Wojska Polskiego 28, PL-60-637 Poznań, Poland
  e-mail: smejza@up.poznan.pl

  Maria Kozłowska, Poznan University of Life Sciences
  ul. Wojska Polskiego 28, PL-60-637 Poznań, Poland
  e-mail: markoz@up.poznan.pl

 Co-Editors:

  Jerzy Moczko, Poznan University of Life Sciences
  ul. Dąbrowskiego 79 , PL-60-529 Poznań, Poland
  e-mail: jmoczko@amp.edu.pl

  Wiesław Mądry, Warsaw University of Life Sciences
  ul. Nowoursynowska 159, PL-02-776 Warszawa, Poland
  e-mail: wieslaw.madry@omega.sggw.waw.pl

  Paulo Canas Rodrigues, Federal University of Bahia
  Av. Adhemar de Barros, 40170-110 Salvador, BA, Brazil
  e-mail: paulocanas@gmail.com

Secretary:
  Ewa Bakinowska, Agnieszka Łacka, Alicja Szabelska, Anna Szczepańska-Álvarez, Radosław J. Kozłowski, 
  Poznan University of Life Sciences
  ul. Wojska Polskiego 28, PL-60-637 Poznań, Poland
  e-mail: anna.szczepanska-alvarez@up.poznan.pl

 Editorial Board:
  Are Aastveit (Norwegian University of Life Sciences, Aas, Norway),
  Anthony C. Atkinson (London School of Economics, UK),
  Rosemary A. Bailey (University of St Andrews, Scotland),
  Tadeusz Caliński (Poznań University of Life Sciences, Poznań, Poland),
  Janusz Gołaszewski (University of Warmia and Mazury, Olsztyn, Poland),
  Zofia Hanusz (University of Life Sciences, Lublin, Poland),
  Chihiro Hirotsu (Meisei University, Tokyo, Japan),
  Christos Kitsos (Technological Educational Institute of Athens, Greece),
  Kristian M. Kristensen (Aarhus University, Aarhus, Denmark),
  Shinji Kuriki (Osaka Prefecture University, Osaka, Japan),
  Tadeusz Łuczkiewicz (Poznań University of Life Sciences, Poznań, Poland),
  Iwona Mejza (Poznań University of Life Sciences, Poznań, Poland),
  Joao T. Mexia (New University of Lisboa, Portugal),
  Amilcar Oliveira (Universidade Aberta, Lisboa, Portugal),
  Teresa A. Oliveira (Universidade Aberta, Lisboa, Portugal),
  Dulce G. Pereira (University of Evora, Evora, Portugal),
  Christel Richter (Humboldt-Universitat zu Berlin, Germany),
  Zbigniew Sobek (Poznań University of Life Sciences, Poznań, Poland).

 Language Editor:
  John Catlow, Adam Mickiewicz University, Poznań, Poland / UK


Are Halvor Aastveit, Rosmary A. Bailey, Ewa Bakinowska, Anna Bartkowiak, Giuseppe Di Biase, Szymon Bijak, Jan Bocianowski, Barbara Bogacka, Arkadiusz Bruchwald, Henryk Brzeskwiniewicz, Anna Budka, Marcin Budka, Tadeusz Caliński, Bronisław Ceranka, Małgorzata Ćwiklińska-Jurkowska, Gerard E. Dallal, Anita Dobek, Czesław Domański, Albert Dudek, John A. Eccleston, P.H.C. Eilers, Katarzyna Filipiak, Janusz Gołaszewski, Tomasz Górecki, Romuald Górski, Franciszek Grabski, Jolanta Grala-Michalak, Zofia Hanusz, Franz Hering, Chihiro Hirotsu, Masakazu Jimbo, Zygmunt Kaczmarek, Sanpei Kageyama, Radosław Kala, Krystyna Katulska, Dariusz Kayzer, Paweł Krajewski, Kristian Kristensen, Jolanta Krzyszkowska, Mirosław Krzyśko, Anetta Kuczyńska, J. de Leeuw, Erkki Liski, Tadeusz Łuczkiewicz, Augustyn Markiewicz, Wiesław Mądry, Iwona Mejza, Andrzej Michalski, Władysław Milo, Jerzy Moczko, Jerzy Modrzyński, Marta Molińska-Glura, Krzysztof Moliński, Witold Pazdrowski, Marian Piech, Wiesław Pilarczyk, Paweł Pordzik, Paulo Rodrigez, Idzi Siatkowski, Anna Szczepańska-Alvarez, Joanna Tarasińska, Ryszard Walkowiak, Mirosława Wesołowska-Janczarek, Michał Zasada, Wojciech Zieliński, Roman Zmyślony.