Category Archives: Statistics

PMean: Python, Raspberry Pi, and cluster computing

I’ve been experimenting with connecting a small number of Raspberry Pi in a cluster computer, and a good place to start is MPI (Message Passing Interface). Unfortunately, many of the books and websites that I have looked at use examples in C and FORTRAN. These are fine languages, but ones that I am unlikely to need in the future. I want to explore MPI from with a newer programming language, Python. Here are some resources I have leaned on in getting this started. Continue reading

PMean: Grading rubric for computer assignments

I’ve been teaching a variety of classes that require students to run a statistical analysis in a package like SAS or R and report the results. There is a tremendous variety of formats that students use, and I thought it would be helpful to offer some guidance. It would save me time in grading, but more importantly it would emphasize that students need to think about what they produce rather than just tossing together whatever comes out of the computer. The five requirements for homework assignments are they be complete, concise, clear, error-free, and interpretable. Continue reading

Recommended: How to be more effective in your professional life

This article starts with a nice anecdote about being dismissive about what someone else is saying ends up hurting you. It also provides a nice structure, POWER, for organizing consulting meetings. POWER stands for Prepare, Open, Work, End, and Reflect. This article was a basis for some of the content in an interesting webinar on consulting. Continue reading