terval estimates, and p values for an arbitrary
functional (mean, geometric mean, proportion, odds, hazard) of a
variable of class integer, or numeric when
regressed on an arbitrary number of covariates. Multiple Partial F-tests can
be specified using the U function."><!-- mathjax --><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js" integrity="sha256-nvJJv9wWKEm88qvoQl9ekL2J+k/RWIsaSScxxlsrv8k=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/