ELISA                   Data from an ELISA assay
combinations            Enumerate the Combinations or Permutations of
                        the Elements of a Vector
foldchange              Compute fold-change or convert between
                        log-ratio and fold-change.
invalid                 Test if a value is missing, empty, or contains
                        only NA or NULL values
logit                   Generalized logit and inverse logit function
mixedsort               Order or Sort strings with embedded numbers so
                        that the numbers are in the correct order
odd                     Detect odd/even integers
permute                 Randomly Permute the Elements of a Vector
quantcut                Create a Factor Variable Using the Quantiles
                        of a Continuous Variable
rdirichlet              Functions for the Dirichlet Distribution
running                 Apply a Function Over Adjacent Subsets of a
                        Vector
