Читать книгу The Big R-Book - Philippe J. S. De Brouwer - Страница 164

# Download the package (only once): install.packages(‘DiagrammeR’) # Load it before we can use it (once per session): library(DiagrammeR)

The number of packages availabe increases fast. At the time of writing there are about 15 thousand packages available (see the next “Further information” section). We can of course not explain each package in just one book. Below we provide a small selection as illustration and in the rest of the book we will use a selection of 60 packages (which contain a few hundred upstream packages). The choice of packages is rather opinionated and personal. R is free software and there are always many ways to achieve the same result.