--- Daniel Mayer <maveric149(a)yahoo.com> wrote: Demographics by age? How will you determine the age of an article, particularly for articles that have been renamed, and given that the history only goes back to the automatic conversion script?

Or demographics by size? Either would be extremely cool.

Daniel Mayer wrote: This is an interesting approach. The article set could be divided into deciles (or some other suitable sized sample). I would guess that the median article size that we currently have is likely fairly constant. The markers for the deciles are likely similarly constant. This is, of course, subject to minor sampling variation. People who use population pyramids let them be indicators of broad changes in populations. Statistically significant variations from key markers would suggest differences in the patterns of participation. Perhaps one of our more mathematically could do an analysis on "The fractal geometry of Wikipedia participation" Eclecticology

This is an interesting approach. The article set could be divided into deciles (or some other suitable sized sample). I would guess that the median article size that we currently have is likely fairly constant. The markers for the deciles are likely similarly constant. This is, of course, subject to minor sampling variation. People who use population pyramids let them be indicators of broad changes in populations. Statistically significant variations from key markers would suggest differences in the patterns of participation. Perhaps one of our more mathematically could do an analysis on "The fractal geometry of Wikipedia participation"