testthat is a testing framework developed by Hadley Wickham, which makes unit testing easy for developers. Test scripts developed can be re-run after debugging or making changes to the functions without the hassle of developing the code for testing again. testthat has a heirarchical structure made up of expectations, tests ... [Read more...]

Plotly is a d3 based graphing library used to produce interactive and high quality graphs in R. In the following exercises, we will look at some advanced plots and features avaialable in the package. Please note that the list here is not exhaustive. We will use datasets available in base ... [Read more...]

Plotly is a d3 based graphing library used to produce interactive and high quality graphs in R. In the following exercises, we will look at the basic plots’ syntax and some basic features in the plotly functions. We will use datasets available in base R packages. Refer to the documentation ... [Read more...]