I am an German engineer living near Munich. I used LaTeX throughout university and now in my PHD thesis. I am not a geek but an advanced user. I like to use
pgfplots especially in combination with the
I am very interested in best practice related to LaTeX.
I made a LaTeX introduction (6 hour course for PHD students) several times. The files can be downloaded at my webpage (it's in German but with a lot of code examples together with the results).
In addition I had a lot to to with statistics. Especially the effect size for the t-test for repeated measurements.
I made a presentation (in German) with animations about basic statistic concepts including alpha and beta error and effect size: PDF with animations