This is a very simple repo with only two files! It contains some R code with kernels dedicated to sensitivity analysis as detailed in [1].
The kernels are readily usable with the kergp library as shown in the file example.R.
[1] Durrande, N., Ginsbourger, D., Roustant, O. and Carraro, L., 2013. ANOVA kernels and RKHS of zero mean functions for model-based sensitivity analysis. Journal of Multivariate Analysis, 115, pp.57-67.