Randomized replacement of values by `NA`

.

## Usage

`replace_na(v, percentage = 0.05, seed = NULL)`

## Arguments

- v
(`any`

)

Vector of any type.

- percentage
(`proportion`

)

Value between 0 and 1 defining
how much of the vector shall be replaced by `NA`

. This number
is randomized by +/- 5% to have full randomization.

- seed
(`numeric`

)

Seed to use for reproducible random number generation.

## Value

The input vector `v`

where a certain number of values are replaced by `NA`

.