# vars

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##### Select variables

This helper is intended to provide equivalent semantics to select(). It is used for instance in scoped summarising and mutating verbs (mutate_at() and summarise_at()).

##### Usage
vars(...)
##### Arguments
...

Variables to include/exclude in mutate/summarise. You can use same specifications as in select(). If missing, defaults to all non-grouping variables.

These arguments are automatically quoted and later evaluated in the context of the data frame. They support unquoting. See vignette("programming") for an introduction to these concepts.

##### Details

Note that verbs accepting a vars() specification also accept an integerish vector of positions or a character vector of column names.

funs(), all_vars() and any_vars() for other quoting functions that you can use with scoped verbs.