A scatterplot helps you visualize the relationship between two variables. When there are more than two variables and you would like to visualize the relationship between each variable with every other variable, rather than generating a separate graph for each pair of variables, a scatterplot matrix is a much better approach. A scatterplot matrix presents…
In a previous post, we described how to create a scatterplot plot in R. In the current post we will focus on fitting a regression line to a scatterplot. We will first generate the scatterplot and then fit a linear regression line to the scatterplot. We will look at two ways to do this. Method…
A scatterplot (also known as a correlation plot) is a graph used to visualize the relationship between two variables. When looking at a scatterplot, one is usually interested in the correlation between the two variables. In addition to the type of relationship, a scatterplot shows us if there is a strong or weak correlation, and…