Tableau 10 Business Intelligence Cookbook

Performing linear regression with R

Linear regression is a common technique to find the best fit straight line in a scatter plot. The resulting line can help in predictive analysis.

In this recipe, we will add trend lines to CO2 Emission graphs using R:

Getting ready

This recipe has a few prerequisites before it can be followed:

1. Install R. The R Project for Statistical Computing website is https://www.r-project.org/.
2. Optionally, install RStudio from https://www.rstudio.com/, which is an integrated environment for R.
3. Install the Rserve package by running the following in R:

     install.packages("Rserve"); 
     library(Rserve);
   run.Rserve();

4. You will get a message ...