Subset Variables Cheat Sheet

Select columns by name or helper function.

dplyr::select(iris, Sepal.Width, Petal.Length, Species)

Select columns whose name contains a character string.

select(iris, contains("."))

Select columns whose name ends with a character string.

select(iris, ends_with("Length"))

Select every column.

select(iris, everything())

Select columns whose name matches a regular expression.

select(iris, matches(".t."))

Select columns named x1, x2, x3, x4, x5.

select(iris, num_range("x", 1:5))

Select columns whose names are in a group of names.

select(iris, one_of(c("Species", "Genus")))

Select columns whose name starts with a character string.

select(iris, starts_with("Sepal"))

Select all columns between Sepal. Length and Petal.Width (inclusive).

select(iris, Sepal.Length:Petal.Width)

Select all columns except Species.

select(iris, -Species)