A balanced 4-star of PG(7,2)
The star is formatted as a 3-dimensional array, where the
[i,j,k]-th element indicates whether or not the
ith basic factor is present in the
jth effect of the
kth flat of the star.
The star consists of nine subspaces f_1, f_2, ,..., f_9 of size 31 each. Use
vectortostring(starn8t5a) to see the elements of this star.
In R, the data must be loaded using the
Neil Spencer, Pritam Ranjan, Franklin Mendivil
Spencer, N.A., Ranjan, P., and Mendivil, F., (2019), "Isomorphism Check for 2^n Factorial Designs with Randomization Restrictions", Journal of Statistical Theory and Practice, 13(60),1-24 [https://doi.org/10.1007/s42519-019-0064-5]
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