OIAOCDs: Orthogonal Integer Array Method for Optimal Covariate Designs (OCDs)
Description
Consider OIA of order same as the block size of the required design. Superimpose each array separately into the incidence matrix (N) to get the W matrices. The maximum number of W matrices depends on the column order of OIA.
Usage
OIAOCDs(design)
Value
Generates W matrices and Inter product sums of W matrices.
Arguments
design
Input a design in matrix format and block size k such that it is an odd number.
Author
Neethu RS
Cini Varghese
Mohd Harun
Anindita Datta
Ashutosh Dalal
References
Das, K., N. K. Mandal, and B. K. Sinha. (2003) <https://doi.org/10.1016/S0378-3758(02)00151-9>. Optimal experimental designs for models with covariates. Journal of Statistical Planning and Inference 115(1): 273-285.
Bansal, N., and D. K. Garg. (2022)<https://doi.org/10.1007/s42519-022-00244-0>. Optimum covariate designs for three associate PBIB designs. Journal of Statistical Theory and Practice 16(3): 1-15.