id

0th

Percentile

Compute a unique numeric id for each unique row in a data frame.

Properties:

  • order(id) is equivalent to do.call(order, df)

  • rows containing the same data have the same value

  • if drop = FALSE then room for all possibilities

Keywords
internal
Usage
id(.variables, drop = FALSE)
Arguments
.variables

list of variables

drop

drop unused factor levels?

Value

a numeric vector with attribute n, giving total number of possibilities

Aliases
  • id
Documentation reproduced from package dplyr, version 0.7.8, License: MIT + file LICENSE

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