gen.USD: Doehlert's Uniform Shell Designs (USDs)

Description Usage Arguments Value References Examples

Description

Generate uniform shell designs for k = 2 to 6

Usage

1
  gen.USD(k, alpha = 1)

Arguments

k

The number of factors or independent variables, k = 2 to 6.

alpha

A scaling factor. See examples.

Value

gen.USD is called to generate the data frame of the design matrix of the USD.

References

Doehlert, D. H (1970), Uniform Shell Designs, Journal of the Royal Statistical Society, 19(3):231-239

Examples

1
2
3
4
  gen.USD(2)
  gen.USD(3, alpha = sqrt(3))
  gen.USD(6)
  gen.USD(6, alpha = sqrt(6))


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