tgp (version 1.1-6)

exp2d: 2-d Exponential Data

Description

A 2-dimensional data set that can be used to validate non-stationary models.

Usage

data(exp2d)

Details

The response is evaluated as $$Z(X)=x_1 * \exp(x_1^2-x_2^2).$$ Zero-mean normal noise with sd=0.001 has been added to the response

References

Gramacy, R. B., Lee, H. K. H., & Macready, W. (2004). Parameter space exploration with Gaussian process trees. ICML (pp. 353--360). Omnipress & ACM Digital Library.

Gramacy, R. B. & Lee, H. K. H. (2005). Gaussian Processes and Limiting Linear Models. available as UCSC Technical Report ams2005-17

http://www.ams.ucsc.edu/~rbgramacy/tgp.php

See Also

{link{exp2d.rand}, tgp, bgpllm, btlm, blm, bgp, btgpllm, bgp