The Visual Sutdio 6.0 help and MSDN.com both have documentation for an Eval() function that takes a string and evaluates it as an expression. This is a pretty basic feature of most languages in my ...

Do you want to use ggplot2, dplyr, or other tidyverse functions in your own functions? This easy example shows how Tidy evaluation in R, or tidy eval for short, is a pretty complex topic. But for some ...