Deep Research and Development

Let us change our traditional attitude to the construction of programs: Instead of imagining that our main task is to instruct a computer what to do, let us concentrate rather on explaining to humans what we want the computer to do.               Donald E. Knuth, Literate Programming, 1984 Overview and Motivation So what is dynamic documentation and why do we need it. As opposed to usual programming, R programs were intended to used as report for not development oriented folks, whether they are data scientists, statisticians or managers. Moreover by nature, R programs don't tend to be huge spanning across hundreds of thousands of code lines. All these led to a huge demand good documentation framework. But how do you document a report? One may of course is to write a passage and then paste a copied graph into it, however once something changes one must re-copy all the graph, which is of course very tedious and non-rewarding procedure. Knitr Knitr is an R pa