HadamardOCDs: Hadamard Method for Optimal Covariate Designs (OCDs)
Description
Construct Hadamard matrix H_k = (1, h_1 , h_2,..., h_k-1) where k is the block size of the required design. Then superimpose each columns of H_k leaving the first column which is in natural order separately into the N matrix to get the W matrices. The maximum number of W matrices will be k-1.
Usage
HadamardOCDs(design)
Value
Generates W matrices and Inter product sums of W matrices.
Arguments
design
Input a design in matrix format and block size k is multiple of 4.
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.