How to draw multiple 2d-plots in a 3d-plot in R?
问题 I am not sure if I formulated the title/question correct. Maybe one of my problems are missing terms in my vocabulary. Sorry. But lets try: I have data ( sleep in this example) I would describe as three-dimensional. Maybe a real statistican wouldn't do that? I think I want to draw multiple two-dimensional plots into a three-dimensial one. I want to plot them side by side. Please correct me if I am wrong. My problem here is that there is only one line. There are two groups. I want one line per