OSOApb {SOAs} | R Documentation |
function to create a strength 3 OSOA with 8-level columns from a Hadamard matrix
Description
A Hadamard matrix in m runs is used for creating an OSOA in n=2m runs for at most m-2 columns.
Usage
OSOApb(m = NULL, n = NULL, el = 3)
Arguments
m |
the number of columns to be created;
if |
n |
the number of runs to be created (must be a multiple of 8);
if |
el |
exponent for 2, can be 2 or 3: the OSOA will have columns with 2^el (4 or 8) levels |
Details
At least one of m
or n
must be provided. For el=2
,
Zhou and Tang (2019) strength 3- designs are created, for el=3
strength
3 designs by Li, Liu and Yang (2021).
Value
an OSOA of strength 3- or 3 (matrix)
Note
Replaced by OSOAs_hadamard; eventually remove
Author(s)
Ulrike Groemping
References
Li, Liu and Yang (2021)
Examples
dim(OSOApb(9)) ## 9 8-level factors in 24 runs
dim(OSOApb(n=16)) ## 6 8-level factors in 16 runs
dim(OSOApb(m=35)) ## 35 8-level factors in 80 runs
[Package SOAs version 1.4 Index]