To illustrate the utility and convenience of the GR Calculator and show a real-world example of its usage, we will walk through a quick analysis of the response of breast cancer cell lines to taxol as measured by Heiser et al. (2012)1. To access the GR Calculator from the grcalculator.org homepage, click “Online GR Calculator” in the top banner or click the middle image (“Upload and analyze your own data”). This will bring you to the GR Calculator application where you can input and analyze drug response datasets.

Figure 1: grcalculator.org Homepage