why does a graph color change is purple color same as blue color what color is an example of a continuous variable do the colors on a graph change what color is a ggplot? what colour is an example of a continuous graph? what is the color of an r graph what color is an example of a continuous variable what color scheme is red what color is a graph when a graph is green or purple what colour is the graph? what color is ggplot what color is the graph why does it occur that colors transition color what color is the continuous variable what color is the continuous variable on the graph how colors affect graphs why does color change in the graphs why are graphs color changing which color is represented in a graph?