text2mapping: Convenient shorthand for specifying mappings with text strings
Description
Convenient shorthand for specifying mappings with text strings
Usage
text2mapping(
text,
file = NULL,
sep = "|",
flip = FALSE,
convert.na = TRUE,
numericWherePossible = TRUE,
...
)
Arguments
text
A multi-line string specifying a mapping with 2 columns (see examples).
file
If text
is missing, read from this file instead.
sep
Character used as column separator.
flip
If TRUE
, flip the column order to To, From (default FALSE
).
convert.na
If TRUE
, the string "NA"
will be converted to
NA
.
numericWherePossible
If TRUE
, the mapping will return a
numeric
vector if the codomain contains only numbers.
Examples
Run this code# NOT RUN {
f <- text2mapping("
L | Low
M | Medium
H | High
")
f(warpbreaks$tension)
# }
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