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Convert Identifiers with Custom Database
convert_custom(x, from = NULL, to = NULL, dt = NULL, multiple = FALSE)
A character vector.
A character vector to convert.
Which identifier type to be converted.
Identifier type convert to.
A data.frame as database for conversion.
data.frame
if TRUE, return a data.table instead of a string vector, so multiple identifier mappings can be kept.
TRUE
data.table
dt <- data.table::data.table(UpperCase = LETTERS[1:5], LowerCase = letters[1:5]) dt x <- convert_custom(c("B", "C", "E", "E", "FF"), from = "UpperCase", to = "LowerCase", dt = dt) x
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