Please use Rstudio. to answer. Also DO NOT use melted$\_$data as it does not work

$1.$ In the following you are going to analyze the "Caschool $($The California Test Score$)"$ dataset that comes with the R package Ecdat. In order to access the data set you first need to install the package Ecdat. Once you install the package and load it$,$ the "Caschool" dataset will be available to you and you can load the data set using the data function.

$($q$)$ Use ggplot$2$ to plot a heatmap of the variables avginc and expnstu employing the rainbow colors and interpret the results.