- Check Gauss-Hermite integration points of the 'lme4' package
- Check if 'ucminf' works again
- Check nloptr package
- Illustration for tvcm and fvcm on wordpress page
- replace functions of the 'parallel' package with those of 'foreach'?
- variable importance measures
- there seems to be a problem with vcrpart_formula with 'terms' call: for example
  terms(diabetes ~ vc(z1,z2,x) + vc(z1,z2,by=x), specials = types, keep.order = TRUE)
  drops the second term!!!