These functions return the indices of the supplied row names of a data frame
or names of another object, such as a vector or list. whichNames is just an alias for which.names.
Usage
whichNames(names, object, ...)
which.names(names, object, ...)
# S3 method for data.frame
whichNames(names, object, ...)
# S3 method for default
whichNames(names, object, ...)
Arguments
names
a name or character vector of names.
object
a data frame or an object with a names attribute.
…
not used.
Value
Returns the index or indices of names in row names of the data frame or names of an object of another class.
References
Fox, J. and Weisberg, S. (2019)
An R Companion to Applied Regression, Third Edition, Sage.