id: Compute a unique numeric id for each unique row in a data...
In plyr: Tools for Splitting, Applying and Combining Data
id R Documentation
Compute a unique numeric id for each unique row in a data frame.
Description
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 possibilites
Usage
id(.variables, drop = FALSE)
Arguments
.variables
list of variables
drop
drop unusued factor levels?
Value
a numeric vector with attribute n, giving total number of
possibilities
See Also
id_var
plyr documentation built on Oct. 2, 2023, 9:07 a.m.
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| id | R Documentation |
Compute a unique numeric id for each unique row in a data frame.
Description
Properties:
-
order(id)is equivalent todo.call(order, df) rows containing the same data have the same value
if
drop = FALSEthen room for all possibilites
Usage
id(.variables, drop = FALSE)
Arguments
.variables |
list of variables |
drop |
drop unusued factor levels? |
Value
a numeric vector with attribute n, giving total number of possibilities
See Also
id_var
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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