Practical 1 - Dynamic models in Biology, up to exercise 9. The looping exercices just that; there are ways to do the same without for loops. Exercise 6.4: identical is more that all(x == y) - read ?identical y <- x <- 1:5 x == y all(x == y) identical(x, y) names(x) <- letters[1:5] names(y) <- LETTERS[1:5] all(x == y) identical(x, y) Exercise 7.1: the if/else script can be simplified! Numerical Matrix Algebra: R uses the BLAS and LAPACK libraries. Practical 2 - LaTeX Practical 3 - Assignment 1 Practical 4 - Reproducible research with Sweave