This cheat sheet is in Spanish. It covers the fundamental building blocks of R for beginners: getting help, using packages, and working with R’s main data structures including vectors, matrices, data frames, and lists.

What’s covered#

  • Getting help – ?, help.search, help(package=...)
  • Data types overview – vectors, factors, matrices, arrays, lists, and data frames
  • Using packages – install.packages, library, accessing package functions
  • Vectors and factors – creating, selecting by position and value, unique, sort, length
  • Matrices – matrix, selecting rows/columns/elements, t (transpose), %*% (multiplication)
  • Data frames – data.frame, selecting columns and rows, View, head, nrow, cbind, rbind
  • Lists – list, selecting by index, name, and $
  • Working directory and assignment