Philip B. Stark http://www.stat.berkeley.edu/~stark
- LaTeX
- Jupyter 3.0
- Desirable properties:
- uniform
- uncorrelated
- long period
- behave like U(0,1) random variables
- Marsaglia's DIEHARD tests http://en.wikipedia.org/wiki/Diehard_tests
- Requirements for Statistics weaker than for cryptography
- Mersenne Twister is adequate for most statistical purposes
- Linear congruential are not. Notably, Wichmann-Hill
- Setting seed explicitly helps make analysis reproducible
Key data analysis verbs (from H. Wickham):
- Select
- Filter
- Mutate
- Summarize
- Arrange
x <- c(1,2,3);
x
3*x
x^2