2.6.3 Useful BLAS/benchmarking resources.2.6.1 Testing performance gains from BLAS.2.6 BLAS and alternative R interpreters.2.3.4 Installing R packages with dependencies.2.2.1 Operating system and resource monitoring.2.1 Top 5 tips for an efficient R set-up.1.5.2 Consistent style and code conventions.1.5 Cross-transferable skills for efficiency.