The t-test is regularly used in Classical Statistics to investigate one or two samples of data and to test a particular hypothesis. There are variants on the t-test that are all handled by the same function, t.test, in R. Read the rest of this entry »
There are the following book reviews on this website:
Book Review – Modern Applied Statistics with S by W. N. Venables and B. D. Ripley (Springer 2003)
Book Review – ggplot 2: Elegant Graphics for Data Analysis by Hadley Wickham (Springer 2009)
Book Review – Lattice: Multivariate Data Visualization with R by Deepayan Sarkar (Springer 2008)