Which of the following is a principle of analytic graphics?
(a) Don’t plot more than two variables at at time
(b) Make judicious use of color in your scatterplots
(c) Show box plots (univariate summaries)
(d) Show causality, mechanism, explanation
I had been asked this question in a national level competition.
My question comes from Exploratory Data Analysis topic in portion Profiling, Simulation and Data Analysis of R Programming