Theory of Change An Essay by Aaron Swartz www.aaronsw.com A theory of change is the opposite of a theory of action — it works backwards from the goal, in concrete steps, to figure out what you can do to achieve it. To develop a theory of change, you need to start at the end and repeatedly ask yourself, “Concretely, how does one achieve that?” changegoals
Better colormaps? An Article by Mark Liberman languagelog.ldc.upenn.edu A modest sample of alternative ways of coloring the same type of 2-D density plots of rates of F0 change and amplitude change. colorvisualization