mutate_x()
adds new variables and preserves existing ones.
select()
keeps only the listed variables; rename()
keeps all variables.
Note: this function uses xpose.xtras::edit_xpose_data
, but is otherwise
the same as <xpose::mutate
>.
Usage
mutate_x(.data, ..., .problem, .source, .where)
rename_x(.data, ..., .problem, .source, .where)
Arguments
- .data
An xpose database object.
- ...
Name-value pairs of expressions. Use
NULL
to drop a variable.- .problem
The problem from which the data will be modified
- .source
The source of the data in the xpdb. Can either be 'data' or an output file extension e.g. 'phi'.
- .where
A vector of element names to be edited in special (e.g.
.where = c('vpc_dat', 'aggr_obs')
with vpc).