Corrected variance analysis for the production of dry matter generated over time

Authors

  • Juracy Moreira faculdade montes belos
  • Aurélio Ferreira Melo Aurélio Ferreira Melo
  • Jose Marcelo de Oliveira
  • Daniela Silva Ataides
  • Marcelo Carlos Ribeiro
  • Juliano Bortolini

DOI:

https://doi.org/10.22256/pubvet.v10n9.659-665

Keywords:

Dry Matter, subdivided portion in time, Sphericity test Mauchly

Abstract

Technical analysis experiments using repeated measures over time should consider the correlation structure between time and within time. Dry matter production with the usage of high and low nutrient concentration was analyzed in this work. (It) was found through Mauchly test the covariance matrix of the model (which) does not satisfy the criterion sphericity and do not have equal variances and zero correlations. This fact may turn the F test invalid for the analysis of variance applied to the sources of variation present in the subplot, so it used two paths to fix the respective degrees of freedom, and thus ensure that the F distribution is accurate. In the study of dry matter production, it was verified that the use of nutrients in the production of dry matter is not relevant and this fact was confirmed by classical analysis of variance and the corrected variance analysis

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Published

2018-05-01

Issue

Vol. 10 No. 09 (2016): Set.

Section

Pastagem e forragicultura

License

Copyright (c) 2016 Juracy Mendes Moreira, Aurélio Ferreira Melo, Jose Marcelo de Oliveira, Daniela Silva Ataides, Marcelo Carlos Ribeiro, Juliano Bortolini

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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How to Cite

Corrected variance analysis for the production of dry matter generated over time. (2018). Pubvet, 10(09). https://doi.org/10.22256/pubvet.v10n9.659-665

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