grepdf {wrapr} | R Documentation |
Grep for column names from a data.frame
Description
Grep for column names from a data.frame
Usage
grepdf(
pattern,
x,
...,
ignore.case = FALSE,
perl = FALSE,
value = FALSE,
fixed = FALSE,
useBytes = FALSE,
invert = FALSE
)
Arguments
pattern |
passed to |
x |
data.frame to work with |
... |
force later arguments to be passed by name |
ignore.case |
passed to |
perl |
passed to |
value |
passed to |
fixed |
passed to |
useBytes |
passed to |
invert |
passed to |
Value
column names of x matching grep condition.
See Also
Examples
d <- data.frame(xa=1, yb=2)
# starts with
grepdf('^x', d)
# ends with
grepdf('b$', d)
[Package wrapr version 2.1.0 Index]