13 Numbers

Note: Since these slides were made, this chapter has been split into multiple chapters. After you edit these slides, remove this note.

Learning objectives:

• Compare and contrast atomic vectors and lists.
  • Recognize the six types of atomic vectors.
  • Determine the key properties (typeof and length) of vectors.
  • Recognize the three important types of augmented vectors.
• Construct logical vectors.
• Construct numeric vectors.
  • Differentiate between the two types of numeric vectors, double and integer.
• Construct character vectors.
• Recognize the different types of missing values.
• Coerce vectors between different types.
• Test whether a vector has a given type.
• Recognize when a vector will be recycled to match the length of another vector, and when it will not.
• Name the elements of vectors.
• Subset vectors.
• Construct lists.
• Differentiate between [, [[, and $ for subsetting lists.
• Use attributes to provide additional information about vectors.
• Recognize the S3 object-oriented system.
• Construct factors.
• Construct dates and date-times.
• Recognize that tibbles are augmented lists.