ELISA Data from an ELISA assay addLast Add a function to be executed when R exits. ask Display a prompt and collect the user's response binsearch Binary Search capture Capture printed output of an R expression in a string checkRVersion Check if a newer version of R is available combinations Enumerate the Combinations or Permutations of the Elements of a Vector defmacro Define a macro foldchange Compute fold-change or convert between log-ratio and fold-change. gtools-deprecated Deprecated Functions in the gtools package invalid Test if a value is missing, empty, or contains only NA or NULL values keywords List valid keywords for R man pages 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 scat Display debugging text setTCPNoDelay Modify the TCP\_NODELAY ('de-Nagle') flag for socket objects smartbind Efficient rbind of data framesy, even if the column names don't match