add_margins: Add margins to a data frame.
In hadley/reshape: Flexibly Reshape Data: A Reboot of the Reshape Package

Rownames are silently stripped. All margining variables will be converted to factors.

1	add_margins(df, vars, margins = TRUE)

`df`	input data frame
`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.

hadley/reshape documentation built on March 16, 2021, 9:38 a.m.

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