R: Sum of Vector Elements

sum {base} | R Documentation

## Sum of Vector Elements

### Description

`sum` returns the sum of all the values present in its arguments. If `na.rm` is `FALSE` an `NA` value in any of the arguments will cause a value of `NA` to be returned, otherwise `NA` values are ignored.

### Usage

    sum(..., na.rm=FALSE)

### Arguments

`...` | numeric vectors.
`na.rm` | logical. Should missing values be removed?

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