Generate a space-filling design using Latin hypercube sampling. Dependent
parameters whose constraints are unsatisfied generate NA
entries in
their respective columns.
Arguments
- param_set
(ParamSet).
- n
(
integer(1)
)
Number of points to sample.- lhs_fun
(
function(n, k)
)
Function to use to generate a LHS sample, with n samples and k values per param. LHS functions are implemented in package lhs, default is to uselhs::maximinLHS()
.
See also
Other generate_design:
generate_design_grid()
,
generate_design_random()
,
generate_design_sobol()
Examples
ps = ParamSet$new(list(
ParamDbl$new("ratio", lower = 0, upper = 1),
ParamFct$new("letters", levels = letters[1:3])
))
if (requireNamespace("lhs", quietly = TRUE)) {
generate_design_lhs(ps, 10)
}
#> <Design> with 10 rows:
#> ratio letters
#> 1: 0.20440418 b
#> 2: 0.64915675 b
#> 3: 0.17768462 c
#> 4: 0.78863135 c
#> 5: 0.51935467 b
#> 6: 0.43360511 a
#> 7: 0.85829522 b
#> 8: 0.03040503 a
#> 9: 0.98550063 a
#> 10: 0.34838615 c