Tri.Hierarchical.IBDs
CRANTri.Hierarchical.IBDsMaRDI QIDQ5983217
Tri-Hierarchical IBDs (Tri- Hierarchical Incomplete Block Designs)
Ashutosh Dalal, Nehatai Agashe, Cini Varghese
Last update: 10 August 2023
Copyright license: GNU General Public License, version 3.0, GNU General Public License, version 2.0
Software version identifier: 1.0.0
Tri-hierarchical incomplete block design is defined as an arrangement of v treatments each replicated r times in a three system of blocks if, each block of the first system contains m_1 blocks of second system and each block of the second system contains m_2 blocks of the third system. Ignoring the first and second system of blocks, it leaves an incomplete block design with b_3 blocks of size k_3i units; ignoring first and third system of blocks, it leaves an incomplete block design with b_2 blocks each of size k_2i units and ignoring the second and third system of blocks, it leaves an incomplete block design with b_1 blocks each of size k_1 units. For dealing with experimental circumstances where there are three nested sources of variation, a tri-hierarchical incomplete block design can be adopted. Tri - hierarchical incomplete block designs can find application potential in obtaining mating-environmental designs for breeding trials. To know more about nested block designs one can refer Preece (1967) <doi:10.1093/biomet/54.3-4.479>. This package includes series1(), series2(), series3() and series4() functions. This package generates tri-hierarchical designs with six component designs under certain parameter restrictions.
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