# margins

From reshape2 v1.4.3
by Hadley Wickham

##### Figure out margining variables.

Given the variables that form the rows and columns, and a set of desired margins, works out which ones are possible. Variables that can't be margined over are dropped silently.

##### Usage

`margins(vars, margins = NULL)`

##### Arguments

- vars
a list of character vectors giving the variables in each dimension

- margins
a character vector of variable names to compute margins for.

`TRUE`

will compute all possible margins.

##### Value

list of margining combinations, or `NULL`

if none. These are
the combinations of variables that should have their values set to
`(all)`

*Documentation reproduced from package reshape2, version 1.4.3, License: MIT + file LICENSE*

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