CombS: The Combinatory Method (s) for the construction of rectangular PBIB designs
Description
The application of the Combinatory Method (s), with $s$ chosen in $[2, l-1]$,
on rectangular association scheme to obtain the configuration and the
parameters of the PBIB design associated.
Usage
CombS(n, l, s)
Arguments
n
Number of lines of the association schemes array.
l
Number of columns of the association schemes array.
s
Number of the token treatments from the same row of the association scheme.
Value
A LIST :
PBIB The configuration of the PBIB.
Type The type of the design
V Number of treatments.
B Number of blocs.
R Repetition of each treatment.
K Size of blocs.
lamda Vector of m-lambda.
Resolvable Is the design Resolvable ?
Details
For $2 < s < l$, we obtain a rectangular PBIB design.
For $s = l$, we obtain a singular group divisible designs.
References
Imane Rezgui, Z. Gheribi-Aoulmi (2014). New construction method
of rectangular partially balanced incomplete block designs and
singular group divisible designs,
Journal of Mathematics and Statistics, 10, 45- 48.
M.N. Vartak 1955. On an application of Kronecker product of Matrices to Statistical designs. Ann. Math. Stat.,26(420-438).