Reference

All functions
GP_deviance()	Computes the Deviance of a GP model
GP_fit()	Gaussian Process Model fitting
GPfit-package GPfit	Gaussian Process Modeling
corr_matrix()	Power Exponential or Matern Correlation Matrix
plot(<GP>)	Plotting GP model fits
predict(<GP>) fitted(<GP>)	Model Predictions from GPfit
print(<GP>)	GP model fit Summary
scale_norm()	Scale variable into normal range 0, 1
sig_invb()	Internal tools
summary(<GP>)	Summary of GP model fit