I am trying to produce progressive plots using the ggplot2 library in R.
What I mean by 'progressive' is that, for presentation purposes, I want to add lines to a plot one at a time, so I generate a single plot with many lines multiple times, each with an extra plotted line.
In ggplot2, using scale_colour_hue() for example works well, except that the colours for each line change from plot to plot. I want to keep the colour constant (i.e. plot 1 line 1 has colour X and in plot 5, line 1 still has colour X...etc). I can achieve that by manually declaring colours using scale_colour_manual() but I feel like I'm limited by the aesthetics of these colours ("red", "blue", etc). Do I really have to find the hex value for each of those colours in say the hue palette or is there an easier way out, where I can instruct scale_colour_hue() function to use its palette in a fixed order everytime it adds a new line?
Thanks, appreciate the help!