All singing, all dancing 3d function plots with beamer, pgfplots and animate.sty
Archived; click post to view.
Excerpt:
Source: Long/Freese, Regression Models for Categorical Dependent Variables Using Stata
for all my textprocessing needs, and for the last four or five years, I have created all my slides with Till Tantaus excellent “beamer” class. At the moment, I’m teaching a 2nd year stats course (imagine doing this with PowerPoint – the horror! the horror!), so I sometimes use graphs from the assigned text like this one from Long&Freese that illustrates the latent variable/threshold interpretation of the binary logit model. The message should be fairly clear: 
depends on 
andfollows…