Frequency table of delimited string elements (case-insensitive and whitespace-trimmed)

Splits each string in a string vector, matrix, or data frame by a specified delimiter, trims whitespace, converts to lowercase, and tabulates the frequency of all unique delimited elements.

Usage

OR.delim.table(x, delimiter = ",")

Arguments

x

String vector, matrix, or data frame containing delimited strings.

delimiter

String delimiter. Default = ",".

Value

A table of delimited element frequencies.

See also

Other delim: OR.delim.contains(), OR.delim.intersect(), OR.delim.merge(), OR.delim.replace(), OR.delim.split(), OR.delim.subset(), OR.delim.txclass(), OR.delim.txname()

Examples

treatment <- c("capecitabine",
               "LETROZOLE",
               "letrozole, palbociclib",
               "Letrozole,Ribociclib",
               "anastrozole, ribociclib")
print(OR.delim.table(treatment))
#> 
#>  anastrozole capecitabine    letrozole  palbociclib   ribociclib 
#>            1            1            3            1            2