| ibd {ibd} | R Documentation |
This function generates an efficient incomplete block design with given number of treaments(v), number of blocks(b) and block size(k) and optionally with a specified concurrence matrix(NNP).
ibd(v,b,k,NNPo,ntrial,pbar=FALSE)
v |
number of treatments |
b |
number of blocks |
k |
block size |
NNPo |
optionally, desired concurrence matrix. If not specified, a nearly balanced concurrence matrix is obtained automatically. |
ntrial |
number of trials |
pbar |
progress bar |
v |
number of treatments |
b |
number of blocks |
k |
block size |
NNP |
specified concurrence matrix |
N |
incidence matrix of the generated design |
design |
block contents in a b by k matrix |
conc.mat |
concurrence matrix of the generated design |
A.efficiency |
A-efficiency of the generated design |
D.efficiency |
D-efficiency of the generated design |
time.taken |
time taken to generate the design |
B N Mandal <mandal.stat@gmail.com>
Mandal, BN, Gupta, VK and Parsad, R. (2013). Application of optimization techniques for construction of incomplete block designs. Project report, IASRI, New Delhi. Mandal, B. N., Gupta, V. K., & Parsad, R. (2014). Efficient Incomplete Block Designs Through Linear Integer Programming. American Journal of Mathematical and Management Sciences, 33(2), 110-124.
v=9 b=12 k=3 ibd(v,b,k,pbar=FALSE)