For showing changes within cases from one time period to another, I like these plots.
Use trend comparisons to illustrate known associations, or take potshots at overreaching theories.
Here are some poverty graphs I guess I'm not going to use in my book.* I keep data in my head in graphical form. Which means that I need to make a graph, or see someone else's, before I can really learn the pattern. But truthfully, even looking at other people's graphs doesn't make it…
Dragging us further from signal, toward noise.
Setting myself straight on the trends in poverty and welfare assistance.